2013128380

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{661}}^1$

素因数の和:847

約数の個数: 96

約数和(自身を含む): 4504248000

約数和(自身を除く): 2491119620

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 59, 89, 116, 118, 145, 178, 236, 290, 295, 356, 445, 580, 590, 661, 890, 1180, 1322, 1711, 1780, 2581, 2644, 3305, 3422, 5162, 5251, 6610, 6844, 8555, 10324, 10502, 12905, 13220, 17110, 19169, 21004, 25810, 26255, 34220, 38338, 38999, 51620, 52510, 58829, 76676, 77998, 95845, 105020, 117658, 152279, 155996, 191690, 194995, 235316, 294145, 304558, 383380, 389990, 588290, 609116, 761395, 779980, 1130971, 1176580, 1522790, 1706041, 2261942, 3045580, 3412082, 3470911, 4523884, 5654855, 6824164, 6941822, 8530205, 11309710, 13883644, 17060410, 17354555, 22619420, 34120820, 34709110, 69418220, 100656419, 201312838, 402625676, 503282095, 1006564190, 2013128380]

約数ペア:

[(1, 2013128380), (2, 1006564190), (4, 503282095), (5, 402625676), (10, 201312838), (20, 100656419), (29, 69418220), (58, 34709110), (59, 34120820), (89, 22619420), (116, 17354555), (118, 17060410), (145, 13883644), (178, 11309710), (236, 8530205), (290, 6941822), (295, 6824164), (356, 5654855), (445, 4523884), (580, 3470911), (590, 3412082), (661, 3045580), (890, 2261942), (1180, 1706041), (1322, 1522790), (1711, 1176580), (1780, 1130971), (2581, 779980), (2644, 761395), (3305, 609116), (3422, 588290), (5162, 389990), (5251, 383380), (6610, 304558), (6844, 294145), (8555, 235316), (10324, 194995), (10502, 191690), (12905, 155996), (13220, 152279), (17110, 117658), (19169, 105020), (21004, 95845), (25810, 77998), (26255, 76676), (34220, 58829), (38338, 52510), (38999, 51620)]