The factors of the number 310,000,020 are: 1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 83, 110, 132, 165, 166, 220, 249, 330, 332, 415, 498, 660, 830, 913, 996, 1245, 1660, 1826, 2490, 2739, 3652, 4565, 4980, 5478, 5659, 9130, 10956, 11318, 13695, 16977, 18260, 22636, 27390, 28295, 33954, 54780, 56590, 62249, 67908, 84885, 113180, 124498, 169770, 186747, 248996, 311245, 339540, 373494, 469697, 622490, 746988, 933735, 939394, 1244980, 1409091, 1867470, 1878788, 2348485, 2818182, 3734940, 4696970, 5166667, 5636364, 7045455, 9393940, 10333334, 14090910, 15500001, 20666668, 25833335, 28181820, 31000002, 51666670, 62000004, 77500005, 103333340, 155000010, 310000020.
If you add them up, you will get the total of 310,000,668. Now subtract 310,000,020 to get 648,487,020