Q: What is the sum of all factors of the number 407,970 excluding 407,970?
A: 680,670
The factors of the number 407,970 are: 1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 1511, 3022, 4533, 7555, 9066, 13599, 15110, 22665, 27198, 40797, 45330, 67995, 81594, 135990, 203985, 407970.
If you add them up, you will get the total of 408,650. Now subtract 407,970 to get 680,670