Q: What is the sum of all factors of the number 303,880 excluding 303,880?
A: 395,960
The factors of the number 303,880 are: 1, 2, 4, 5, 8, 10, 20, 40, 71, 107, 142, 214, 284, 355, 428, 535, 568, 710, 856, 1070, 1420, 2140, 2840, 4280, 7597, 15194, 30388, 37985, 60776, 75970, 151940, 303880.
If you add them up, you will get the total of 304,275. Now subtract 303,880 to get 395,960