Q: What is the sum of all factors of the number 405,576,540 excluding 405,576,540?

A: 824,672,844

Why is 824,672,844 the sum of all factors of 405,576,540, excluding 405,576,540?

The factors of the number 405,576,540 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2253203, 4506406, 6759609, 9012812, 11266015, 13519218, 20278827, 22532030, 27038436, 33798045, 40557654, 45064060, 67596090, 81115308, 101394135, 135192180, 202788270, 405576540.

If you add them up, you will get the total of 405,577,364. Now subtract 405,576,540 to get 824,672,844