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			57 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			Markdown
		
	
	
	
	
	
			
		
		
	
	
			57 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			Markdown
		
	
	
	
	
	
| ---
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| id: 5900f4d61000cf542c50ffe9
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| challengeType: 5
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| title: 'Problem 362: Squarefree factors'
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| videoUrl: ''
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| localeTitle: 问题362:无广义因子
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| ---
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| 
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| ## Description
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| <section id="description">考虑数字54. 54可以用7种不同的方式分解为大于1:54,2×27,3×18,6×9,3×3×6,2×3×9和2×的一个或多个因子3×3×3。如果我们要求所有因子都是无平方的,则只剩下两种方式:3×3×6和2×3×3×3。 <p>让我们调用Fsf(n)n可以计算为一个或多个大于1的无平方因子的方式的数量,因此Fsf(54)= 2。 </p><p>对于k = 2到n,令S(n)为ΣFsf(k)。 </p><p> S(100)= 193。 </p><p>找到S(10 000 000 000)。 </p></section>
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| 
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| ## Instructions
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| <section id="instructions">
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| </section>
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| 
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| ## Tests
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| <section id='tests'>
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| 
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| ```yml
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| tests:
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|   - text: <code>euler362()</code>应该返回457895958010。
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|     testString: assert.strictEqual(euler362(), 457895958010);
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| 
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| ```
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| 
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| </section>
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| 
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| ## Challenge Seed
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| <section id='challengeSeed'>
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| 
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| <div id='js-seed'>
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| 
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| ```js
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| function euler362() {
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|   // Good luck!
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|   return true;
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| }
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| 
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| euler362();
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| 
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| ```
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| 
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| </div>
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| 
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| 
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| 
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| </section>
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| 
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| ## Solution
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| <section id='solution'>
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| 
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| ```js
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| // solution required
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| ```
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| 
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| /section>
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