Q: What is the sum of all factors of the number 315,301,012 excluding 315,301,012?

A: 290,421,308

Why is 290,421,308 the sum of all factors of 315,301,012, excluding 315,301,012?

The factors of the number 315,301,012 are: 1, 2, 4, 13, 26, 52, 89, 178, 193, 353, 356, 386, 706, 772, 1157, 1412, 2314, 2509, 4589, 4628, 5018, 9178, 10036, 17177, 18356, 31417, 34354, 62834, 68129, 68708, 125668, 136258, 223301, 272516, 408421, 446602, 816842, 885677, 893204, 1633684, 1771354, 3542708, 6063481, 12126962, 24253924, 78825253, 157650506, 315301012.

If you add them up, you will get the total of 315,301,302. Now subtract 315,301,012 to get 290,421,308