Q: What is the sum of all factors of the number 642,970 excluding 642,970?
A: 526,670
The factors of the number 642,970 are: 1, 2, 5, 10, 113, 226, 565, 569, 1130, 1138, 2845, 5690, 64297, 128594, 321485, 642970.
If you add them up, you will get the total of 643,496. Now subtract 642,970 to get 526,670