Q: What is the sum of all factors of the number 142,880 excluding 142,880?

A: 220,000

Why is 220,000 the sum of all factors of 142,880, excluding 142,880?

The factors of the number 142,880 are: 1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 47, 76, 80, 94, 95, 152, 160, 188, 190, 235, 304, 376, 380, 470, 608, 752, 760, 893, 940, 1504, 1520, 1786, 1880, 3040, 3572, 3760, 4465, 7144, 7520, 8930, 14288, 17860, 28576, 35720, 71440, 142880.

If you add them up, you will get the total of 143,100. Now subtract 142,880 to get 220,000