Q: What is the sum of all factors of the number 278,990 excluding 278,990?
A: 245,458
The factors of the number 278,990 are: 1, 2, 5, 10, 23, 46, 115, 230, 1213, 2426, 6065, 12130, 27899, 55798, 139495, 278990.
If you add them up, you will get the total of 279,235. Now subtract 278,990 to get 245,458