Q: What is the sum of all factors of the number 1,287,880 excluding 1,287,880?
A: 1,874,360
The factors of the number 1,287,880 are: 1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 2927, 5854, 11708, 14635, 23416, 29270, 32197, 58540, 64394, 117080, 128788, 160985, 257576, 321970, 643940, 1287880.
If you add them up, you will get the total of 1,287,881. Now subtract 1,287,880 to get 1,874,360