Q: What is the sum of all factors of the number 391,240 excluding 391,240?
A: 489,140
The factors of the number 391,240 are: 1, 2, 4, 5, 8, 10, 20, 40, 9781, 19562, 39124, 48905, 78248, 97810, 195620, 391240.
If you add them up, you will get the total of 391,729. Now subtract 391,240 to get 489,140