Q: What is the sum of all factors of the number 1,880,389 excluding 1,880,389?
A: 394,811
The factors of the number 1,880,389 are: 1, 7, 29, 59, 157, 203, 413, 1099, 1711, 4553, 9263, 11977, 31871, 64841, 268627, 1880389.
If you add them up, you will get the total of 1,880,783. Now subtract 1,880,389 to get 394,811