Q: What is the sum of all factors of the number 390,120 excluding 390,120?
A: 780,600
The factors of the number 390,120 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 3251, 6502, 9753, 13004, 16255, 19506, 26008, 32510, 39012, 48765, 65020, 78024, 97530, 130040, 195060, 390120.
If you add them up, you will get the total of 390,900. Now subtract 390,120 to get 780,600