function solution(n) {
var answer = 0;
for(let i = 1; i < n + 1; i++) {
if(n % i === 0) {
answer += i
}
}
return answer;
}
function solution(n) {
var answer = n;
for(let i = 1; i <= n/2; i++) {
if(n % i === 0) {
answer += i
}
}
return answer;
}
function solution(n) {
var answer = 0;
for(let i = 1; i <= Math.sqrt(n); i++) {
// console.log(`i: ${i}`)
// console.log(n % i === 0)
if(n % i === 0) {
answer += i
if(n / i !== i) {
answer += n / i
}
}
}
return answer;
}
✨ 참고