Q: What is the sum of all factors of the number 1,276,400 excluding 1,276,400?
A: 1,791,112
The factors of the number 1,276,400 are: 1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 3191, 6382, 12764, 15955, 25528, 31910, 51056, 63820, 79775, 127640, 159550, 255280, 319100, 638200, 1276400.
If you add them up, you will get the total of 1,276,401. Now subtract 1,276,400 to get 1,791,112