Q: What is the sum of all factors of the number 520,830 excluding 520,830?

A: 881,802

Why is 881,802 the sum of all factors of 520,830, excluding 520,830?

The factors of the number 520,830 are: 1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 643, 810, 1286, 1929, 3215, 3858, 5787, 6430, 9645, 11574, 17361, 19290, 28935, 34722, 52083, 57870, 86805, 104166, 173610, 260415, 520830.

If you add them up, you will get the total of 521,711. Now subtract 520,830 to get 881,802