Q: What is the sum of all factors of the number 278,138 excluding 278,138?
A: 198,694
The factors of the number 278,138 are: 1, 2, 7, 14, 19867, 39734, 139069, 278138.
If you add them up, you will get the total of 278,336. Now subtract 278,138 to get 198,694