Q: What is the sum of all factors of the number 4,140 excluding 4,140?
A: 8,964
The factors of the number 4,140 are: 1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140.
If you add them up, you will get the total of 4,148. Now subtract 4,140 to get 8,964