Q: What is the sum of all factors of the number 102,840 excluding 102,840?
A: 206,040
The factors of the number 102,840 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 857, 1714, 2571, 3428, 4285, 5142, 6856, 8570, 10284, 12855, 17140, 20568, 25710, 34280, 51420, 102840.
If you add them up, you will get the total of 103,046. Now subtract 102,840 to get 206,040