Q: What is the sum of all factors of the number 279,380 excluding 279,380?
A: 319,540
The factors of the number 279,380 are: 1, 2, 4, 5, 10, 20, 61, 122, 229, 244, 305, 458, 610, 916, 1145, 1220, 2290, 4580, 13969, 27938, 55876, 69845, 139690, 279380.
If you add them up, you will get the total of 279,699. Now subtract 279,380 to get 319,540