Q: What is the sum of all factors of the number 421,003,045 excluding 421,003,045?

A: 149,945,435

Why is 149,945,435 the sum of all factors of 421,003,045, excluding 421,003,045?

The factors of the number 421,003,045 are: 1, 5, 17, 19, 73, 85, 95, 323, 365, 1241, 1387, 1615, 3571, 6205, 6935, 17855, 23579, 60707, 67849, 117895, 260683, 303535, 339245, 1153433, 1303415, 4431611, 4952977, 5767165, 22158055, 24764885, 84200609, 421003045.

If you add them up, you will get the total of 421,003,194. Now subtract 421,003,045 to get 149,945,435