Q: What is the sum of all factors of the number 198,120 excluding 198,120?

A: 447,000

Why is 447,000 the sum of all factors of 198,120, excluding 198,120?

The factors of the number 198,120 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 127, 130, 156, 195, 254, 260, 312, 381, 390, 508, 520, 635, 762, 780, 1016, 1270, 1524, 1560, 1651, 1905, 2540, 3048, 3302, 3810, 4953, 5080, 6604, 7620, 8255, 9906, 13208, 15240, 16510, 19812, 24765, 33020, 39624, 49530, 66040, 99060, 198120.

If you add them up, you will get the total of 198,567. Now subtract 198,120 to get 447,000