Q: What is the sum of all factors of the number 1,280,402 excluding 1,280,402?
A: 654,634
The factors of the number 1,280,402 are: 1, 2, 137, 274, 4673, 9346, 640201, 1280402.
If you add them up, you will get the total of 1,281,056. Now subtract 1,280,402 to get 654,634