Q: What is the sum of all factors of the number 878,420 excluding 878,420?
A: 984,364
The factors of the number 878,420 are: 1, 2, 4, 5, 10, 20, 167, 263, 334, 526, 668, 835, 1052, 1315, 1670, 2630, 3340, 5260, 43921, 87842, 175684, 219605, 439210, 878420.
If you add them up, you will get the total of 879,404. Now subtract 878,420 to get 984,364