Q: What is the sum of all factors of the number 63,990 excluding 63,990?
A: 110,250
The factors of the number 63,990 are: 1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 79, 81, 90, 135, 158, 162, 237, 270, 395, 405, 474, 711, 790, 810, 1185, 1422, 2133, 2370, 3555, 4266, 6399, 7110, 10665, 12798, 21330, 31995, 63990.
If you add them up, you will get the total of 64,100. Now subtract 63,990 to get 110,250