Q: What is the sum of all factors of the number 400,426,440 excluding 400,426,440?

A: 800,853,240

Why is 800,853,240 the sum of all factors of 400,426,440, excluding 400,426,440?

The factors of the number 400,426,440 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 3336887, 6673774, 10010661, 13347548, 16684435, 20021322, 26695096, 33368870, 40042644, 50053305, 66737740, 80085288, 100106610, 133475480, 200213220, 400426440.

If you add them up, you will get the total of 400,427,240. Now subtract 400,426,440 to get 800,853,240