Q: What is the sum of all factors of the number 278,939 excluding 278,939?
A: 21,301
The factors of the number 278,939 are: 1, 19, 53, 277, 1007, 5263, 14681, 278939.
If you add them up, you will get the total of 278,960. Now subtract 278,939 to get 21,301