Q: What is the sum of all factors of the number 423,400 excluding 423,400?

A: 608,900

Why is 608,900 the sum of all factors of 423,400, excluding 423,400?

The factors of the number 423,400 are: 1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 73, 100, 116, 145, 146, 200, 232, 290, 292, 365, 580, 584, 725, 730, 1160, 1450, 1460, 1825, 2117, 2900, 2920, 3650, 4234, 5800, 7300, 8468, 10585, 14600, 16936, 21170, 42340, 52925, 84680, 105850, 211700, 423400.

If you add them up, you will get the total of 424,008. Now subtract 423,400 to get 608,900