Q: What is the sum of all factors of the number 505,140,734 excluding 505,140,734?

A: 397,220,866

Why is 397,220,866 the sum of all factors of 505,140,734, excluding 505,140,734?

The factors of the number 505,140,734 are: 1, 2, 7, 14, 29, 58, 139, 203, 278, 406, 973, 1946, 4031, 8062, 8951, 17902, 28217, 56434, 62657, 125314, 259579, 519158, 1244189, 1817053, 2488378, 3634106, 8709323, 17418646, 36081481, 72162962, 252570367, 505140734.

If you add them up, you will get the total of 505,141,131. Now subtract 505,140,734 to get 397,220,866