Q: What is the sum of all factors of the number 123,456,138 including 123,456,138?

A: 268,555,392

Why is 268,555,392 the sum of all factors of 123,456,138, including 123,456,138?

The factors of the number 123,456,138 are: 1, 2, 3, 6, 13, 26, 39, 78, 101, 202, 303, 606, 1313, 2626, 3939, 7878, 15671, 31342, 47013, 94026, 203723, 407446, 611169, 1222338, 1582771, 3165542, 4748313, 9496626, 20576023, 41152046, 61728069, 123456138.

If you add them up, you will get the total of 268,555,392.