Q: What is the sum of all factors of the number 1,281,980 including 1,281,980?
A: 3,077,088
The factors of the number 1,281,980 are: 1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 9157, 18314, 36628, 45785, 64099, 91570, 128198, 183140, 256396, 320495, 640990, 1281980.
If you add them up, you will get the total of 3,077,088.