Q: What is the sum of all factors of the number 891,220 excluding 891,220?
A: 1,150,988
The factors of the number 891,220 are: 1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 4051, 8102, 16204, 20255, 40510, 44561, 81020, 89122, 178244, 222805, 445610, 891220.
If you add them up, you will get the total of 891,221. Now subtract 891,220 to get 1,150,988