Q: What is the sum of all factors of the number 642,205 excluding 642,205?
A: 181,475
The factors of the number 642,205 are: 1, 5, 29, 43, 103, 145, 215, 515, 1247, 2987, 4429, 6235, 14935, 22145, 128441, 642205.
If you add them up, you will get the total of 642,386. Now subtract 642,205 to get 181,475