Q: What is the sum of all factors of the number 680,438 excluding 680,438?
A: 445,786
The factors of the number 680,438 are: 1, 2, 11, 22, 157, 197, 314, 394, 1727, 2167, 3454, 4334, 30929, 61858, 340219, 680438.
If you add them up, you will get the total of 680,883. Now subtract 680,438 to get 445,786