Q: What is the sum of all factors of the number 187,980 excluding 187,980?

A: 381,204

Why is 381,204 the sum of all factors of 187,980, excluding 187,980?

The factors of the number 187,980 are: 1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 241, 260, 390, 482, 723, 780, 964, 1205, 1446, 2410, 2892, 3133, 3615, 4820, 6266, 7230, 9399, 12532, 14460, 15665, 18798, 31330, 37596, 46995, 62660, 93990, 187980.

If you add them up, you will get the total of 188,361. Now subtract 187,980 to get 381,204