Q: What is the sum of all factors of the number 401,403,234 excluding 401,403,234?

A: 445,820,766

Why is 445,820,766 the sum of all factors of 401,403,234, excluding 401,403,234?

The factors of the number 401,403,234 are: 1, 2, 3, 6, 19, 38, 57, 114, 409, 818, 1227, 2454, 7771, 8609, 15542, 17218, 23313, 25827, 46626, 51654, 163571, 327142, 490713, 981426, 3521081, 7042162, 10563243, 21126486, 66900539, 133801078, 200701617, 401403234.

If you add them up, you will get the total of 401,403,679. Now subtract 401,403,234 to get 445,820,766