The factors of the number 426,215,400 are: 1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 25, 26, 30, 39, 40, 50, 52, 53, 60, 65, 75, 78, 100, 104, 106, 120, 130, 150, 156, 159, 195, 200, 212, 260, 265, 300, 312, 318, 325, 390, 424, 520, 530, 600, 636, 650, 689, 780, 795, 975, 1031, 1060, 1272, 1300, 1325, 1378, 1560, 1590, 1950, 2062, 2067, 2120, 2600, 2650, 2756, 3093, 3180, 3445, 3900, 3975, 4124, 4134, 5155, 5300, 5512, 6186, 6360, 6890, 7800, 7950, 8248, 8268, 10310, 10335, 10600, 12372, 13403, 13780, 15465, 15900, 16536, 17225, 20620, 20670, 24744, 25775, 26806, 27560, 30930, 31800, 34450, 40209, 41240, 41340, 51550, 51675, 53612, 54643, 61860, 67015, 68900, 77325, 80418, 82680, 103100, 103350, 107224, 109286, 123720, 134030, 137800, 154650, 160836, 163929, 201045, 206200, 206700, 218572, 268060, 273215, 309300, 321672, 327858, 335075, 402090, 413400, 437144, 536120, 546430, 618600, 655716, 670150, 710359, 804180, 819645, 1005225, 1092860, 1311432, 1340300, 1366075, 1420718, 1608360, 1639290, 2010450, 2131077, 2185720, 2680600, 2732150, 2841436, 3278580, 3551795, 4020900, 4098225, 4262154, 5464300, 5682872, 6557160, 7103590, 8041800, 8196450, 8524308, 10655385, 10928600, 14207180, 16392900, 17048616, 17758975, 21310770, 28414360, 32785800, 35517950, 42621540, 53276925, 71035900, 85243080, 106553850, 142071800, 213107700, 426215400.
If you add them up, you will get the total of 1,451,157,120.