Q: What is the sum of all factors of the number 405,490 excluding 405,490?
A: 392,846
The factors of the number 405,490 are: 1, 2, 5, 10, 23, 41, 43, 46, 82, 86, 115, 205, 215, 230, 410, 430, 943, 989, 1763, 1886, 1978, 3526, 4715, 4945, 8815, 9430, 9890, 17630, 40549, 81098, 202745, 405490.
If you add them up, you will get the total of 405,882. Now subtract 405,490 to get 392,846