221271570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{499}}^1$

素因数の和:904

約数の個数: 96

約数和(自身を含む): 622440000

約数和(自身を除く): 401168430

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 379, 390, 499, 585, 758, 998, 1137, 1170, 1497, 1895, 2274, 2495, 2994, 3411, 3790, 4491, 4927, 4990, 5685, 6487, 6822, 7485, 8982, 9854, 11370, 12974, 14781, 14970, 17055, 19461, 22455, 24635, 29562, 32435, 34110, 38922, 44343, 44910, 49270, 58383, 64870, 73905, 88686, 97305, 116766, 147810, 189121, 194610, 221715, 291915, 378242, 443430, 567363, 583830, 945605, 1134726, 1702089, 1891210, 2458573, 2836815, 3404178, 4917146, 5673630, 7375719, 8510445, 12292865, 14751438, 17020890, 22127157, 24585730, 36878595, 44254314, 73757190, 110635785, 221271570]

約数ペア:

[(1, 221271570), (2, 110635785), (3, 73757190), (5, 44254314), (6, 36878595), (9, 24585730), (10, 22127157), (13, 17020890), (15, 14751438), (18, 12292865), (26, 8510445), (30, 7375719), (39, 5673630), (45, 4917146), (65, 3404178), (78, 2836815), (90, 2458573), (117, 1891210), (130, 1702089), (195, 1134726), (234, 945605), (379, 583830), (390, 567363), (499, 443430), (585, 378242), (758, 291915), (998, 221715), (1137, 194610), (1170, 189121), (1497, 147810), (1895, 116766), (2274, 97305), (2495, 88686), (2994, 73905), (3411, 64870), (3790, 58383), (4491, 49270), (4927, 44910), (4990, 44343), (5685, 38922), (6487, 34110), (6822, 32435), (7485, 29562), (8982, 24635), (9854, 22455), (11370, 19461), (12974, 17055), (14781, 14970)]