Q: What is the sum of all factors of the number 290,280 excluding 290,280?

A: 616,920

Why is 616,920 the sum of all factors of 290,280, excluding 290,280?

The factors of the number 290,280 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 59, 60, 82, 118, 120, 123, 164, 177, 205, 236, 246, 295, 328, 354, 410, 472, 492, 590, 615, 708, 820, 885, 984, 1180, 1230, 1416, 1640, 1770, 2360, 2419, 2460, 3540, 4838, 4920, 7080, 7257, 9676, 12095, 14514, 19352, 24190, 29028, 36285, 48380, 58056, 72570, 96760, 145140, 290280.

If you add them up, you will get the total of 290,896. Now subtract 290,280 to get 616,920