Q: What is the sum of all factors of the number 279,880 excluding 279,880?
A: 349,940
The factors of the number 279,880 are: 1, 2, 4, 5, 8, 10, 20, 40, 6997, 13994, 27988, 34985, 55976, 69970, 139940, 279880.
If you add them up, you will get the total of 280,229. Now subtract 279,880 to get 349,940