1221900400

素因数分解:

$2^4\times 5^2\times 7^1\times {\mathrm{281}}^1\times {\mathrm{1553}}^1$

素因数の和:1859

約数の個数: 120

約数和(自身を含む): 3369096864

約数和(自身を除く): 2147196464

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 140, 175, 200, 280, 281, 350, 400, 560, 562, 700, 1124, 1400, 1405, 1553, 1967, 2248, 2800, 2810, 3106, 3934, 4496, 5620, 6212, 7025, 7765, 7868, 9835, 10871, 11240, 12424, 14050, 15530, 15736, 19670, 21742, 22480, 24848, 28100, 31060, 31472, 38825, 39340, 43484, 49175, 54355, 56200, 62120, 77650, 78680, 86968, 98350, 108710, 112400, 124240, 155300, 157360, 173936, 196700, 217420, 271775, 310600, 393400, 434840, 436393, 543550, 621200, 786800, 869680, 872786, 1087100, 1745572, 2174200, 2181965, 3054751, 3491144, 4348400, 4363930, 6109502, 6982288, 8727860, 10909825, 12219004, 15273755, 17455720, 21819650, 24438008, 30547510, 34911440, 43639300, 48876016, 61095020, 76368775, 87278600, 122190040, 152737550, 174557200, 244380080, 305475100, 610950200, 1221900400]

約数ペア:

[(1, 1221900400), (2, 610950200), (4, 305475100), (5, 244380080), (7, 174557200), (8, 152737550), (10, 122190040), (14, 87278600), (16, 76368775), (20, 61095020), (25, 48876016), (28, 43639300), (35, 34911440), (40, 30547510), (50, 24438008), (56, 21819650), (70, 17455720), (80, 15273755), (100, 12219004), (112, 10909825), (140, 8727860), (175, 6982288), (200, 6109502), (280, 4363930), (281, 4348400), (350, 3491144), (400, 3054751), (560, 2181965), (562, 2174200), (700, 1745572), (1124, 1087100), (1400, 872786), (1405, 869680), (1553, 786800), (1967, 621200), (2248, 543550), (2800, 436393), (2810, 434840), (3106, 393400), (3934, 310600), (4496, 271775), (5620, 217420), (6212, 196700), (7025, 173936), (7765, 157360), (7868, 155300), (9835, 124240), (10871, 112400), (11240, 108710), (12424, 98350), (14050, 86968), (15530, 78680), (15736, 77650), (19670, 62120), (21742, 56200), (22480, 54355), (24848, 49175), (28100, 43484), (31060, 39340), (31472, 38825)]