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							|  |  |  |  | id: 5900f5191000cf542c51002c | 
					
						
							|  |  |  |  | challengeType: 5 | 
					
						
							|  |  |  |  | title: 'Problem 429: Sum of squares of unitary divisors' | 
					
						
							|  |  |  |  | videoUrl: '' | 
					
						
							|  |  |  |  | localeTitle: 问题429:单一除数的平方和 | 
					
						
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							|  |  |  |  | ## Description
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										 |  |  |  | <section id="description"> | 
					
						
							|  |  |  |  | 数为n的unit除数d是n的除数,其性质为gcd(d,n / d)= 1。 | 
					
						
							|  |  |  |  | 4的除数! = 24是1、3、8和24。 | 
					
						
							|  |  |  |  | 它们的平方和是12 + 32 + 82 + 242 = 650。 | 
					
						
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							|  |  |  |  | 令S(n)表示n的一元除数的平方和。 因此,S(4!)= 650。 | 
					
						
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							|  |  |  |  | 求S(100000000!)取模1000000009。 | 
					
						
							|  |  |  |  | </section> | 
					
						
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							|  |  |  |  | ## Instructions
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										 |  |  |  | <section id="instructions"> | 
					
						
							|  |  |  |  | </section> | 
					
						
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							|  |  |  |  | ## Tests
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							|  |  |  |  | <section id='tests'> | 
					
						
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							|  |  |  |  | ```yml | 
					
						
							|  |  |  |  | tests: | 
					
						
							|  |  |  |  |   - text: <code>euler429()</code>应该返回98792821。 | 
					
						
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										 |  |  |  |     testString: assert.strictEqual(euler429(), 98792821); | 
					
						
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							|  |  |  |  | ``` | 
					
						
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							|  |  |  |  | </section> | 
					
						
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							|  |  |  |  | ## Challenge Seed
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							|  |  |  |  | <section id='challengeSeed'> | 
					
						
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							|  |  |  |  | <div id='js-seed'> | 
					
						
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							|  |  |  |  | ```js | 
					
						
							|  |  |  |  | function euler429() { | 
					
						
							|  |  |  |  |   // Good luck! | 
					
						
							|  |  |  |  |   return true; | 
					
						
							|  |  |  |  | } | 
					
						
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							|  |  |  |  | euler429(); | 
					
						
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							|  |  |  |  | ``` | 
					
						
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							|  |  |  |  | </div> | 
					
						
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							|  |  |  |  | </section> | 
					
						
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							|  |  |  |  | ## Solution
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							|  |  |  |  | <section id='solution'> | 
					
						
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							|  |  |  |  | ```js | 
					
						
							|  |  |  |  | // solution required | 
					
						
							|  |  |  |  | ``` | 
					
						
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							|  |  |  |  | /section> |