Q: What is the sum of all factors of the number 780,400 excluding 780,400?
A: 1,095,472
The factors of the number 780,400 are: 1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 1951, 3902, 7804, 9755, 15608, 19510, 31216, 39020, 48775, 78040, 97550, 156080, 195100, 390200, 780400.
If you add them up, you will get the total of 780,401. Now subtract 780,400 to get 1,095,472