488971980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{55439}}^1$

素因数の和:55468

約数の個数: 108

約数和(自身を含む): 1725403680

約数和(自身を除く): 1236431700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 55439, 110878, 166317, 221756, 277195, 332634, 388073, 498951, 554390, 665268, 776146, 831585, 997902, 1108780, 1164219, 1552292, 1663170, 1940365, 1995804, 2328438, 2494755, 2716511, 3326340, 3492657, 3880730, 4656876, 4989510, 5433022, 5821095, 6985314, 7761460, 8149533, 9979020, 10866044, 11642190, 13582555, 13970628, 16299066, 17463285, 23284380, 24448599, 27165110, 32598132, 34926570, 40747665, 48897198, 54330220, 69853140, 81495330, 97794396, 122242995, 162990660, 244485990, 488971980]

約数ペア:

[(1, 488971980), (2, 244485990), (3, 162990660), (4, 122242995), (5, 97794396), (6, 81495330), (7, 69853140), (9, 54330220), (10, 48897198), (12, 40747665), (14, 34926570), (15, 32598132), (18, 27165110), (20, 24448599), (21, 23284380), (28, 17463285), (30, 16299066), (35, 13970628), (36, 13582555), (42, 11642190), (45, 10866044), (49, 9979020), (60, 8149533), (63, 7761460), (70, 6985314), (84, 5821095), (90, 5433022), (98, 4989510), (105, 4656876), (126, 3880730), (140, 3492657), (147, 3326340), (180, 2716511), (196, 2494755), (210, 2328438), (245, 1995804), (252, 1940365), (294, 1663170), (315, 1552292), (420, 1164219), (441, 1108780), (490, 997902), (588, 831585), (630, 776146), (735, 665268), (882, 554390), (980, 498951), (1260, 388073), (1470, 332634), (1764, 277195), (2205, 221756), (2940, 166317), (4410, 110878), (8820, 55439)]