289204240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{223}}^1$

素因数の和:321

約数の個数: 160

約数和(自身を含む): 769950720

約数和(自身を除く): 480746480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 40, 43, 52, 58, 65, 80, 86, 104, 116, 130, 145, 172, 208, 215, 223, 232, 260, 290, 344, 377, 430, 446, 464, 520, 559, 580, 688, 754, 860, 892, 1040, 1115, 1118, 1160, 1247, 1508, 1720, 1784, 1885, 2230, 2236, 2320, 2494, 2795, 2899, 3016, 3440, 3568, 3770, 4460, 4472, 4988, 5590, 5798, 6032, 6235, 6467, 7540, 8920, 8944, 9589, 9976, 11180, 11596, 12470, 12934, 14495, 15080, 16211, 17840, 19178, 19952, 22360, 23192, 24940, 25868, 28990, 30160, 32335, 32422, 38356, 44720, 46384, 47945, 49880, 51736, 57980, 64670, 64844, 76712, 81055, 84071, 95890, 99760, 103472, 115960, 124657, 129340, 129688, 153424, 162110, 168142, 191780, 231920, 249314, 258680, 259376, 278081, 324220, 336284, 383560, 420355, 498628, 517360, 556162, 623285, 648440, 672568, 767120, 840710, 997256, 1112324, 1246570, 1296880, 1345136, 1390405, 1681420, 1994512, 2224648, 2493140, 2780810, 3362840, 3615053, 4449296, 4986280, 5561620, 6725680, 7230106, 9972560, 11123240, 14460212, 18075265, 22246480, 28920424, 36150530, 57840848, 72301060, 144602120, 289204240]

約数ペア:

[(1, 289204240), (2, 144602120), (4, 72301060), (5, 57840848), (8, 36150530), (10, 28920424), (13, 22246480), (16, 18075265), (20, 14460212), (26, 11123240), (29, 9972560), (40, 7230106), (43, 6725680), (52, 5561620), (58, 4986280), (65, 4449296), (80, 3615053), (86, 3362840), (104, 2780810), (116, 2493140), (130, 2224648), (145, 1994512), (172, 1681420), (208, 1390405), (215, 1345136), (223, 1296880), (232, 1246570), (260, 1112324), (290, 997256), (344, 840710), (377, 767120), (430, 672568), (446, 648440), (464, 623285), (520, 556162), (559, 517360), (580, 498628), (688, 420355), (754, 383560), (860, 336284), (892, 324220), (1040, 278081), (1115, 259376), (1118, 258680), (1160, 249314), (1247, 231920), (1508, 191780), (1720, 168142), (1784, 162110), (1885, 153424), (2230, 129688), (2236, 129340), (2320, 124657), (2494, 115960), (2795, 103472), (2899, 99760), (3016, 95890), (3440, 84071), (3568, 81055), (3770, 76712), (4460, 64844), (4472, 64670), (4988, 57980), (5590, 51736), (5798, 49880), (6032, 47945), (6235, 46384), (6467, 44720), (7540, 38356), (8920, 32422), (8944, 32335), (9589, 30160), (9976, 28990), (11180, 25868), (11596, 24940), (12470, 23192), (12934, 22360), (14495, 19952), (15080, 19178), (16211, 17840)]