Q: What is the sum of all factors of the number 387,100 excluding 387,100?

A: 602,420

Why is 602,420 the sum of all factors of 387,100, excluding 387,100?

The factors of the number 387,100 are: 1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 79, 98, 100, 140, 158, 175, 196, 245, 316, 350, 395, 490, 553, 700, 790, 980, 1106, 1225, 1580, 1975, 2212, 2450, 2765, 3871, 3950, 4900, 5530, 7742, 7900, 11060, 13825, 15484, 19355, 27650, 38710, 55300, 77420, 96775, 193550, 387100.

If you add them up, you will get the total of 387,702. Now subtract 387,100 to get 602,420