Q: What is the sum of all factors of the number 212,310 excluding 212,310?

A: 420,426

Why is 420,426 the sum of all factors of 212,310, excluding 212,310?

The factors of the number 212,310 are: 1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 337, 630, 674, 1011, 1685, 2022, 2359, 3033, 3370, 4718, 5055, 6066, 7077, 10110, 11795, 14154, 15165, 21231, 23590, 30330, 35385, 42462, 70770, 106155, 212310.

If you add them up, you will get the total of 212,730. Now subtract 212,310 to get 420,426