20690563600

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{151}}^1\times {\mathrm{6991}}^1$

素因数の和:7174

約数の個数: 180

約数和(自身を含む): 58216119168

約数和(自身を除く): 37525555568

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 151, 175, 196, 200, 245, 280, 302, 350, 392, 400, 490, 560, 604, 700, 755, 784, 980, 1057, 1208, 1225, 1400, 1510, 1960, 2114, 2416, 2450, 2800, 3020, 3775, 3920, 4228, 4900, 5285, 6040, 6991, 7399, 7550, 8456, 9800, 10570, 12080, 13982, 14798, 15100, 16912, 19600, 21140, 26425, 27964, 29596, 30200, 34955, 36995, 42280, 48937, 52850, 55928, 59192, 60400, 69910, 73990, 84560, 97874, 105700, 111856, 118384, 139820, 147980, 174775, 184975, 195748, 211400, 244685, 279640, 295960, 342559, 349550, 369950, 391496, 422800, 489370, 559280, 591920, 685118, 699100, 739900, 782992, 978740, 1055641, 1223425, 1370236, 1398200, 1479800, 1712795, 1957480, 2111282, 2446850, 2740472, 2796400, 2959600, 3425590, 3914960, 4222564, 4893700, 5278205, 5480944, 6851180, 7389487, 8445128, 8563975, 9787400, 10556410, 13702360, 14778974, 16890256, 17127950, 19574800, 21112820, 26391025, 27404720, 29557948, 34255900, 36947435, 42225640, 51726409, 52782050, 59115896, 68511800, 73894870, 84451280, 103452818, 105564100, 118231792, 137023600, 147789740, 184737175, 206905636, 211128200, 258632045, 295579480, 369474350, 413811272, 422256400, 517264090, 591158960, 738948700, 827622544, 1034528180, 1293160225, 1477897400, 2069056360, 2586320450, 2955794800, 4138112720, 5172640900, 10345281800, 20690563600]

約数ペア:

[(1, 20690563600), (2, 10345281800), (4, 5172640900), (5, 4138112720), (7, 2955794800), (8, 2586320450), (10, 2069056360), (14, 1477897400), (16, 1293160225), (20, 1034528180), (25, 827622544), (28, 738948700), (35, 591158960), (40, 517264090), (49, 422256400), (50, 413811272), (56, 369474350), (70, 295579480), (80, 258632045), (98, 211128200), (100, 206905636), (112, 184737175), (140, 147789740), (151, 137023600), (175, 118231792), (196, 105564100), (200, 103452818), (245, 84451280), (280, 73894870), (302, 68511800), (350, 59115896), (392, 52782050), (400, 51726409), (490, 42225640), (560, 36947435), (604, 34255900), (700, 29557948), (755, 27404720), (784, 26391025), (980, 21112820), (1057, 19574800), (1208, 17127950), (1225, 16890256), (1400, 14778974), (1510, 13702360), (1960, 10556410), (2114, 9787400), (2416, 8563975), (2450, 8445128), (2800, 7389487), (3020, 6851180), (3775, 5480944), (3920, 5278205), (4228, 4893700), (4900, 4222564), (5285, 3914960), (6040, 3425590), (6991, 2959600), (7399, 2796400), (7550, 2740472), (8456, 2446850), (9800, 2111282), (10570, 1957480), (12080, 1712795), (13982, 1479800), (14798, 1398200), (15100, 1370236), (16912, 1223425), (19600, 1055641), (21140, 978740), (26425, 782992), (27964, 739900), (29596, 699100), (30200, 685118), (34955, 591920), (36995, 559280), (42280, 489370), (48937, 422800), (52850, 391496), (55928, 369950), (59192, 349550), (60400, 342559), (69910, 295960), (73990, 279640), (84560, 244685), (97874, 211400), (105700, 195748), (111856, 184975), (118384, 174775), (139820, 147980)]