The factors of the number 516,466,020 are: 1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 617, 1234, 1851, 1993, 2468, 3085, 3702, 3986, 4319, 5979, 6170, 7404, 7972, 8638, 9255, 9965, 11958, 12340, 12957, 13951, 17276, 18510, 19930, 21595, 23916, 25914, 27902, 29895, 37020, 39860, 41853, 43190, 51828, 55804, 59790, 64785, 69755, 83706, 86380, 119580, 129570, 139510, 167412, 209265, 259140, 279020, 418530, 837060, 1229681, 2459362, 3689043, 4918724, 6148405, 7378086, 8607767, 12296810, 14756172, 17215534, 18445215, 24593620, 25823301, 34431068, 36890430, 43038835, 51646602, 73780860, 86077670, 103293204, 129116505, 172155340, 258233010, 516466020.
If you add them up, you will get the total of 1,656,200,448.