Q: What is the sum of all factors of the number 321,203,212 excluding 321,203,212?

A: 305,181,036

Why is 305,181,036 the sum of all factors of 321,203,212, excluding 321,203,212?

The factors of the number 321,203,212 are: 1, 2, 4, 11, 22, 44, 73, 121, 146, 242, 292, 484, 803, 1606, 3212, 8833, 9091, 17666, 18182, 35332, 36364, 100001, 200002, 400004, 663643, 1100011, 1327286, 2200022, 2654572, 4400044, 7300073, 14600146, 29200292, 80300803, 160601606, 321203212.

If you add them up, you will get the total of 321,203,517. Now subtract 321,203,212 to get 305,181,036