400040760

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{5351}}^1$

素因数の和:5461

約数の個数: 128

約数和(自身を含む): 1387238400

約数和(自身を除く): 987197640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 89, 105, 120, 140, 168, 178, 210, 267, 280, 356, 420, 445, 534, 623, 712, 840, 890, 1068, 1246, 1335, 1780, 1869, 2136, 2492, 2670, 3115, 3560, 3738, 4984, 5340, 5351, 6230, 7476, 9345, 10680, 10702, 12460, 14952, 16053, 18690, 21404, 24920, 26755, 32106, 37380, 37457, 42808, 53510, 64212, 74760, 74914, 80265, 107020, 112371, 128424, 149828, 160530, 187285, 214040, 224742, 299656, 321060, 374570, 449484, 476239, 561855, 642120, 749140, 898968, 952478, 1123710, 1428717, 1498280, 1904956, 2247420, 2381195, 2857434, 3333673, 3809912, 4494840, 4762390, 5714868, 6667346, 7143585, 9524780, 10001019, 11429736, 13334692, 14287170, 16668365, 19049560, 20002038, 26669384, 28574340, 33336730, 40004076, 50005095, 57148680, 66673460, 80008152, 100010190, 133346920, 200020380, 400040760]

約数ペア:

[(1, 400040760), (2, 200020380), (3, 133346920), (4, 100010190), (5, 80008152), (6, 66673460), (7, 57148680), (8, 50005095), (10, 40004076), (12, 33336730), (14, 28574340), (15, 26669384), (20, 20002038), (21, 19049560), (24, 16668365), (28, 14287170), (30, 13334692), (35, 11429736), (40, 10001019), (42, 9524780), (56, 7143585), (60, 6667346), (70, 5714868), (84, 4762390), (89, 4494840), (105, 3809912), (120, 3333673), (140, 2857434), (168, 2381195), (178, 2247420), (210, 1904956), (267, 1498280), (280, 1428717), (356, 1123710), (420, 952478), (445, 898968), (534, 749140), (623, 642120), (712, 561855), (840, 476239), (890, 449484), (1068, 374570), (1246, 321060), (1335, 299656), (1780, 224742), (1869, 214040), (2136, 187285), (2492, 160530), (2670, 149828), (3115, 128424), (3560, 112371), (3738, 107020), (4984, 80265), (5340, 74914), (5351, 74760), (6230, 64212), (7476, 53510), (9345, 42808), (10680, 37457), (10702, 37380), (12460, 32106), (14952, 26755), (16053, 24920), (18690, 21404)]