Q: What is the sum of all factors of the number 1,290,980 excluding 1,290,980?
A: 1,580,308
The factors of the number 1,290,980 are: 1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 3797, 7594, 15188, 18985, 37970, 64549, 75940, 129098, 258196, 322745, 645490, 1290980.
If you add them up, you will get the total of 1,290,981. Now subtract 1,290,980 to get 1,580,308