Q: What is the sum of all factors of the number 780,920 excluding 780,920?
A: 1,227,880
The factors of the number 780,920 are: 1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 2789, 5578, 11156, 13945, 19523, 22312, 27890, 39046, 55780, 78092, 97615, 111560, 156184, 195230, 390460, 780920.
If you add them up, you will get the total of 780,921. Now subtract 780,920 to get 1,227,880