Q: What is the sum of all factors of the number 424,780 excluding 424,780?
A: 483,428
The factors of the number 424,780 are: 1, 2, 4, 5, 10, 20, 67, 134, 268, 317, 335, 634, 670, 1268, 1340, 1585, 3170, 6340, 21239, 42478, 84956, 106195, 212390, 424780.
If you add them up, you will get the total of 425,263. Now subtract 424,780 to get 483,428