Q: What is the sum of all factors of the number 1,378,890 excluding 1,378,890?
A: 2,298,870
The factors of the number 1,378,890 are: 1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 270, 5107, 10214, 15321, 25535, 30642, 45963, 51070, 76605, 91926, 137889, 153210, 229815, 275778, 459630, 689445, 1378890.
If you add them up, you will get the total of 1,378,892. Now subtract 1,378,890 to get 2,298,870