Q: What is the sum of all factors of the number 1,396,840 including 1,396,840?
A: 3,214,080
The factors of the number 1,396,840 are: 1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 743, 940, 1486, 1880, 2972, 3715, 5944, 7430, 14860, 29720, 34921, 69842, 139684, 174605, 279368, 349210, 698420, 1396840.
If you add them up, you will get the total of 3,214,080.