Q: What is the sum of all factors of the number 988,780 excluding 988,780?
A: 1,247,972
The factors of the number 988,780 are: 1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 3803, 7606, 15212, 19015, 38030, 49439, 76060, 98878, 197756, 247195, 494390, 988780.
If you add them up, you will get the total of 988,781. Now subtract 988,780 to get 1,247,972