Files
freeCodeCamp/curriculum/challenges/english/10-coding-interview-prep/project-euler/problem-211-divisor-square-sum.english.md

60 lines
852 B
Markdown
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

---
id: 5900f43f1000cf542c50ff52
challengeType: 5
title: 'Problem 211: Divisor Square Sum'
forumTopicId: 301853
---
## Description
<section id='description'>
For a positive integer n, let σ2(n) be the sum of the squares of its divisors. For example,
σ2(10) = 1 + 4 + 25 + 100 = 130.
Find the sum of all n, 0 < n < 64,000,000 such that σ2(n) is a perfect square.
</section>
## Instructions
<section id='instructions'>
</section>
## Tests
<section id='tests'>
```yml
tests:
- text: <code>euler211()</code> should return 1922364685.
testString: assert.strictEqual(euler211(), 1922364685);
```
</section>
## Challenge Seed
<section id='challengeSeed'>
<div id='js-seed'>
```js
function euler211() {
return true;
}
euler211();
```
</div>
</section>
## Solution
<section id='solution'>
```js
// solution required
```
</section>