Q: What is the sum of all factors of the number 638,470 excluding 638,470?
A: 699,434
The factors of the number 638,470 are: 1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 1303, 2606, 6515, 9121, 13030, 18242, 45605, 63847, 91210, 127694, 319235, 638470.
If you add them up, you will get the total of 639,169. Now subtract 638,470 to get 699,434