205264920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^3\times {\mathrm{4987}}^1$

素因数の和:5022

約数の個数: 128

約数和(自身を含む): 718272000

約数和(自身を除く): 513007080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 49, 56, 60, 70, 84, 98, 105, 120, 140, 147, 168, 196, 210, 245, 280, 294, 343, 392, 420, 490, 588, 686, 735, 840, 980, 1029, 1176, 1372, 1470, 1715, 1960, 2058, 2744, 2940, 3430, 4116, 4987, 5145, 5880, 6860, 8232, 9974, 10290, 13720, 14961, 19948, 20580, 24935, 29922, 34909, 39896, 41160, 49870, 59844, 69818, 74805, 99740, 104727, 119688, 139636, 149610, 174545, 199480, 209454, 244363, 279272, 299220, 349090, 418908, 488726, 523635, 598440, 698180, 733089, 837816, 977452, 1047270, 1221815, 1396360, 1466178, 1710541, 1954904, 2094540, 2443630, 2932356, 3421082, 3665445, 4189080, 4887260, 5131623, 5864712, 6842164, 7330890, 8552705, 9774520, 10263246, 13684328, 14661780, 17105410, 20526492, 25658115, 29323560, 34210820, 41052984, 51316230, 68421640, 102632460, 205264920]

約数ペア:

[(1, 205264920), (2, 102632460), (3, 68421640), (4, 51316230), (5, 41052984), (6, 34210820), (7, 29323560), (8, 25658115), (10, 20526492), (12, 17105410), (14, 14661780), (15, 13684328), (20, 10263246), (21, 9774520), (24, 8552705), (28, 7330890), (30, 6842164), (35, 5864712), (40, 5131623), (42, 4887260), (49, 4189080), (56, 3665445), (60, 3421082), (70, 2932356), (84, 2443630), (98, 2094540), (105, 1954904), (120, 1710541), (140, 1466178), (147, 1396360), (168, 1221815), (196, 1047270), (210, 977452), (245, 837816), (280, 733089), (294, 698180), (343, 598440), (392, 523635), (420, 488726), (490, 418908), (588, 349090), (686, 299220), (735, 279272), (840, 244363), (980, 209454), (1029, 199480), (1176, 174545), (1372, 149610), (1470, 139636), (1715, 119688), (1960, 104727), (2058, 99740), (2744, 74805), (2940, 69818), (3430, 59844), (4116, 49870), (4987, 41160), (5145, 39896), (5880, 34909), (6860, 29922), (8232, 24935), (9974, 20580), (10290, 19948), (13720, 14961)]