Q: What is the sum of all factors of the number 279,020 excluding 279,020?
A: 390,964
The factors of the number 279,020 are: 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1993, 3986, 7972, 9965, 13951, 19930, 27902, 39860, 55804, 69755, 139510, 279020.
If you add them up, you will get the total of 279,410. Now subtract 279,020 to get 390,964