Q: What is the sum of all factors of the number 645,070 excluding 645,070?
A: 525,218
The factors of the number 645,070 are: 1, 2, 5, 10, 251, 257, 502, 514, 1255, 1285, 2510, 2570, 64507, 129014, 322535, 645070.
If you add them up, you will get the total of 645,595. Now subtract 645,070 to get 525,218