Q: What is the sum of all factors of the number 213,102,300 excluding 213,102,300?

A: 403,474,556

Why is 403,474,556 the sum of all factors of 213,102,300, excluding 213,102,300?

The factors of the number 213,102,300 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 710341, 1420682, 2131023, 2841364, 3551705, 4262046, 7103410, 8524092, 10655115, 14206820, 17758525, 21310230, 35517050, 42620460, 53275575, 71034100, 106551150, 213102300.

If you add them up, you will get the total of 213,102,703. Now subtract 213,102,300 to get 403,474,556