Q: What is the sum of all factors of the number 408,280 excluding 408,280?
A: 531,320
The factors of the number 408,280 are: 1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 173, 236, 295, 346, 472, 590, 692, 865, 1180, 1384, 1730, 2360, 3460, 6920, 10207, 20414, 40828, 51035, 81656, 102070, 204140, 408280.
If you add them up, you will get the total of 408,811. Now subtract 408,280 to get 531,320