ee1e8abd87
* feat(tools): add seed/solution restore script * chore(curriculum): remove empty sections' markers * chore(curriculum): add seed + solution to Chinese * chore: remove old formatter * fix: update getChallenges parse translated challenges separately, without reference to the source * chore(curriculum): add dashedName to English * chore(curriculum): add dashedName to Chinese * refactor: remove unused challenge property 'name' * fix: relax dashedName requirement * fix: stray tag Remove stray `pre` tag from challenge file. Signed-off-by: nhcarrigan <nhcarrigan@gmail.com> Co-authored-by: nhcarrigan <nhcarrigan@gmail.com>
43 lines
649 B
Markdown
43 lines
649 B
Markdown
---
|
||
id: 5900f43f1000cf542c50ff52
|
||
title: 'Problem 211: Divisor Square Sum'
|
||
challengeType: 5
|
||
forumTopicId: 301853
|
||
dashedName: problem-211-divisor-square-sum
|
||
---
|
||
|
||
# --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.
|
||
|
||
# --hints--
|
||
|
||
`euler211()` should return 1922364685.
|
||
|
||
```js
|
||
assert.strictEqual(euler211(), 1922364685);
|
||
```
|
||
|
||
# --seed--
|
||
|
||
## --seed-contents--
|
||
|
||
```js
|
||
function euler211() {
|
||
|
||
return true;
|
||
}
|
||
|
||
euler211();
|
||
```
|
||
|
||
# --solutions--
|
||
|
||
```js
|
||
// solution required
|
||
```
|