408586920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{1213}}^1$

素因数の和:1635

約数の個数: 128

約数和(自身を含む): 1405520640

約数和(自身を除く): 996933720

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, 105, 120, 140, 168, 210, 280, 401, 420, 802, 840, 1203, 1213, 1604, 2005, 2406, 2426, 2807, 3208, 3639, 4010, 4812, 4852, 5614, 6015, 6065, 7278, 8020, 8421, 8491, 9624, 9704, 11228, 12030, 12130, 14035, 14556, 16040, 16842, 16982, 18195, 22456, 24060, 24260, 25473, 28070, 29112, 33684, 33964, 36390, 42105, 42455, 48120, 48520, 50946, 56140, 67368, 67928, 72780, 84210, 84910, 101892, 112280, 127365, 145560, 168420, 169820, 203784, 254730, 336840, 339640, 486413, 509460, 972826, 1018920, 1459239, 1945652, 2432065, 2918478, 3404891, 3891304, 4864130, 5836956, 6809782, 7296195, 9728260, 10214673, 11673912, 13619564, 14592390, 17024455, 19456520, 20429346, 27239128, 29184780, 34048910, 40858692, 51073365, 58369560, 68097820, 81717384, 102146730, 136195640, 204293460, 408586920]

約数ペア:

[(1, 408586920), (2, 204293460), (3, 136195640), (4, 102146730), (5, 81717384), (6, 68097820), (7, 58369560), (8, 51073365), (10, 40858692), (12, 34048910), (14, 29184780), (15, 27239128), (20, 20429346), (21, 19456520), (24, 17024455), (28, 14592390), (30, 13619564), (35, 11673912), (40, 10214673), (42, 9728260), (56, 7296195), (60, 6809782), (70, 5836956), (84, 4864130), (105, 3891304), (120, 3404891), (140, 2918478), (168, 2432065), (210, 1945652), (280, 1459239), (401, 1018920), (420, 972826), (802, 509460), (840, 486413), (1203, 339640), (1213, 336840), (1604, 254730), (2005, 203784), (2406, 169820), (2426, 168420), (2807, 145560), (3208, 127365), (3639, 112280), (4010, 101892), (4812, 84910), (4852, 84210), (5614, 72780), (6015, 67928), (6065, 67368), (7278, 56140), (8020, 50946), (8421, 48520), (8491, 48120), (9624, 42455), (9704, 42105), (11228, 36390), (12030, 33964), (12130, 33684), (14035, 29112), (14556, 28070), (16040, 25473), (16842, 24260), (16982, 24060), (18195, 22456)]