Q: What is the sum of all factors of the number 138,680 excluding 138,680?
A: 173,440
The factors of the number 138,680 are: 1, 2, 4, 5, 8, 10, 20, 40, 3467, 6934, 13868, 17335, 27736, 34670, 69340, 138680.
If you add them up, you will get the total of 138,853. Now subtract 138,680 to get 173,440