Q: What is the sum of all factors of the number 121,244,440 excluding 121,244,440?

A: 154,265,720

Why is 154,265,720 the sum of all factors of 121,244,440, excluding 121,244,440?

The factors of the number 121,244,440 are: 1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 30011, 60022, 120044, 150055, 240088, 300110, 600220, 1200440, 3031111, 6062222, 12124444, 15155555, 24248888, 30311110, 60622220, 121244440.

If you add them up, you will get the total of 121,244,594. Now subtract 121,244,440 to get 154,265,720