Q: What is the sum of all factors of the number 648,140 excluding 648,140?
A: 773,140
The factors of the number 648,140 are: 1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 1409, 2818, 5636, 7045, 14090, 28180, 32407, 64814, 129628, 162035, 324070, 648140.
If you add them up, you will get the total of 648,913. Now subtract 648,140 to get 773,140