208049940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{1013}}^1$

素因数の和:1198

約数の個数: 144

約数和(自身を含む): 726380928

約数和(自身を除く): 518330988

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 163, 180, 210, 252, 315, 326, 420, 489, 630, 652, 815, 978, 1013, 1141, 1260, 1467, 1630, 1956, 2026, 2282, 2445, 2934, 3039, 3260, 3423, 4052, 4564, 4890, 5065, 5705, 5868, 6078, 6846, 7091, 7335, 9117, 9780, 10130, 10269, 11410, 12156, 13692, 14182, 14670, 15195, 17115, 18234, 20260, 20538, 21273, 22820, 28364, 29340, 30390, 34230, 35455, 36468, 41076, 42546, 45585, 51345, 60780, 63819, 68460, 70910, 85092, 91170, 102690, 106365, 127638, 141820, 165119, 182340, 205380, 212730, 255276, 319095, 330238, 425460, 495357, 638190, 660476, 825595, 990714, 1155833, 1276380, 1486071, 1651190, 1981428, 2311666, 2476785, 2972142, 3302380, 3467499, 4623332, 4953570, 5779165, 5944284, 6934998, 7430355, 9907140, 10402497, 11558330, 13869996, 14860710, 17337495, 20804994, 23116660, 29721420, 34674990, 41609988, 52012485, 69349980, 104024970, 208049940]

約数ペア:

[(1, 208049940), (2, 104024970), (3, 69349980), (4, 52012485), (5, 41609988), (6, 34674990), (7, 29721420), (9, 23116660), (10, 20804994), (12, 17337495), (14, 14860710), (15, 13869996), (18, 11558330), (20, 10402497), (21, 9907140), (28, 7430355), (30, 6934998), (35, 5944284), (36, 5779165), (42, 4953570), (45, 4623332), (60, 3467499), (63, 3302380), (70, 2972142), (84, 2476785), (90, 2311666), (105, 1981428), (126, 1651190), (140, 1486071), (163, 1276380), (180, 1155833), (210, 990714), (252, 825595), (315, 660476), (326, 638190), (420, 495357), (489, 425460), (630, 330238), (652, 319095), (815, 255276), (978, 212730), (1013, 205380), (1141, 182340), (1260, 165119), (1467, 141820), (1630, 127638), (1956, 106365), (2026, 102690), (2282, 91170), (2445, 85092), (2934, 70910), (3039, 68460), (3260, 63819), (3423, 60780), (4052, 51345), (4564, 45585), (4890, 42546), (5065, 41076), (5705, 36468), (5868, 35455), (6078, 34230), (6846, 30390), (7091, 29340), (7335, 28364), (9117, 22820), (9780, 21273), (10130, 20538), (10269, 20260), (11410, 18234), (12156, 17115), (13692, 15195), (14182, 14670)]