Q: What is the sum of all factors of the number 225,780 excluding 225,780?

A: 427,404

Why is 427,404 the sum of all factors of 225,780, excluding 225,780?

The factors of the number 225,780 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 71, 106, 142, 159, 212, 213, 265, 284, 318, 355, 426, 530, 636, 710, 795, 852, 1060, 1065, 1420, 1590, 2130, 3180, 3763, 4260, 7526, 11289, 15052, 18815, 22578, 37630, 45156, 56445, 75260, 112890, 225780.

If you add them up, you will get the total of 226,207. Now subtract 225,780 to get 427,404