149170840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{383}}^1$

素因数の和:521

約数の個数: 128

約数和(自身を含む): 418037760

約数和(自身を除く): 268866920

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 107, 130, 140, 182, 214, 260, 280, 364, 383, 428, 455, 520, 535, 728, 749, 766, 856, 910, 1070, 1391, 1498, 1532, 1820, 1915, 2140, 2681, 2782, 2996, 3064, 3640, 3745, 3830, 4280, 4979, 5362, 5564, 5992, 6955, 7490, 7660, 9737, 9958, 10724, 11128, 13405, 13910, 14980, 15320, 19474, 19916, 21448, 24895, 26810, 27820, 29960, 34853, 38948, 39832, 40981, 48685, 49790, 53620, 55640, 69706, 77896, 81962, 97370, 99580, 107240, 139412, 163924, 174265, 194740, 199160, 204905, 278824, 286867, 327848, 348530, 389480, 409810, 532753, 573734, 697060, 819620, 1065506, 1147468, 1394120, 1434335, 1639240, 2131012, 2294936, 2663765, 2868670, 3729271, 4262024, 5327530, 5737340, 7458542, 10655060, 11474680, 14917084, 18646355, 21310120, 29834168, 37292710, 74585420, 149170840]

約数ペア:

[(1, 149170840), (2, 74585420), (4, 37292710), (5, 29834168), (7, 21310120), (8, 18646355), (10, 14917084), (13, 11474680), (14, 10655060), (20, 7458542), (26, 5737340), (28, 5327530), (35, 4262024), (40, 3729271), (52, 2868670), (56, 2663765), (65, 2294936), (70, 2131012), (91, 1639240), (104, 1434335), (107, 1394120), (130, 1147468), (140, 1065506), (182, 819620), (214, 697060), (260, 573734), (280, 532753), (364, 409810), (383, 389480), (428, 348530), (455, 327848), (520, 286867), (535, 278824), (728, 204905), (749, 199160), (766, 194740), (856, 174265), (910, 163924), (1070, 139412), (1391, 107240), (1498, 99580), (1532, 97370), (1820, 81962), (1915, 77896), (2140, 69706), (2681, 55640), (2782, 53620), (2996, 49790), (3064, 48685), (3640, 40981), (3745, 39832), (3830, 38948), (4280, 34853), (4979, 29960), (5362, 27820), (5564, 26810), (5992, 24895), (6955, 21448), (7490, 19916), (7660, 19474), (9737, 15320), (9958, 14980), (10724, 13910), (11128, 13405)]