Q: What is the sum of all factors of the number 401,500,628 excluding 401,500,628?

A: 389,073,772

Why is 389,073,772 the sum of all factors of 401,500,628, excluding 401,500,628?

The factors of the number 401,500,628 are: 1, 2, 4, 17, 19, 34, 38, 68, 76, 109, 218, 323, 436, 646, 1292, 1853, 2071, 2851, 3706, 4142, 5702, 7412, 8284, 11404, 35207, 48467, 54169, 70414, 96934, 108338, 140828, 193868, 216676, 310759, 621518, 920873, 1243036, 1841746, 3683492, 5282903, 5904421, 10565806, 11808842, 21131612, 23617684, 100375157, 200750314, 401500628.

If you add them up, you will get the total of 401,501,017. Now subtract 401,500,628 to get 389,073,772