Q: What is the sum of all factors of the number 204,223,240 excluding 204,223,240?

A: 290,626,640

Why is 290,626,640 the sum of all factors of 204,223,240, excluding 204,223,240?

The factors of the number 204,223,240 are: 1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 392737, 785474, 1570948, 1963685, 3141896, 3927370, 5105581, 7854740, 10211162, 15709480, 20422324, 25527905, 40844648, 51055810, 102111620, 204223240.

If you add them up, you will get the total of 204,223,530. Now subtract 204,223,240 to get 290,626,640