Q: What is the sum of all factors of the number 424,660 excluding 424,660?
A: 520,340
The factors of the number 424,660 are: 1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 1249, 2498, 4996, 6245, 12490, 21233, 24980, 42466, 84932, 106165, 212330, 424660.
If you add them up, you will get the total of 425,180. Now subtract 424,660 to get 520,340