221684240

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{701}}^1$

素因数の和:840

約数の個数: 80

約数和(自身を含む): 532733760

約数和(自身を除く): 311049520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 67, 80, 118, 134, 236, 268, 295, 335, 472, 536, 590, 670, 701, 944, 1072, 1180, 1340, 1402, 2360, 2680, 2804, 3505, 3953, 4720, 5360, 5608, 7010, 7906, 11216, 14020, 15812, 19765, 28040, 31624, 39530, 41359, 46967, 56080, 63248, 79060, 82718, 93934, 158120, 165436, 187868, 206795, 234835, 316240, 330872, 375736, 413590, 469670, 661744, 751472, 827180, 939340, 1654360, 1878680, 2771053, 3308720, 3757360, 5542106, 11084212, 13855265, 22168424, 27710530, 44336848, 55421060, 110842120, 221684240]

約数ペア:

[(1, 221684240), (2, 110842120), (4, 55421060), (5, 44336848), (8, 27710530), (10, 22168424), (16, 13855265), (20, 11084212), (40, 5542106), (59, 3757360), (67, 3308720), (80, 2771053), (118, 1878680), (134, 1654360), (236, 939340), (268, 827180), (295, 751472), (335, 661744), (472, 469670), (536, 413590), (590, 375736), (670, 330872), (701, 316240), (944, 234835), (1072, 206795), (1180, 187868), (1340, 165436), (1402, 158120), (2360, 93934), (2680, 82718), (2804, 79060), (3505, 63248), (3953, 56080), (4720, 46967), (5360, 41359), (5608, 39530), (7010, 31624), (7906, 28040), (11216, 19765), (14020, 15812)]