215428710

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{23857}}^1$

素因数の和:23917

約数の個数: 64

約数和(自身を含む): 604657152

約数和(自身を除く): 389228442

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 43, 70, 86, 105, 129, 210, 215, 258, 301, 430, 602, 645, 903, 1290, 1505, 1806, 3010, 4515, 9030, 23857, 47714, 71571, 119285, 143142, 166999, 238570, 333998, 357855, 500997, 715710, 834995, 1001994, 1025851, 1669990, 2051702, 2504985, 3077553, 5009970, 5129255, 6155106, 7180957, 10258510, 14361914, 15387765, 21542871, 30775530, 35904785, 43085742, 71809570, 107714355, 215428710]

約数ペア:

[(1, 215428710), (2, 107714355), (3, 71809570), (5, 43085742), (6, 35904785), (7, 30775530), (10, 21542871), (14, 15387765), (15, 14361914), (21, 10258510), (30, 7180957), (35, 6155106), (42, 5129255), (43, 5009970), (70, 3077553), (86, 2504985), (105, 2051702), (129, 1669990), (210, 1025851), (215, 1001994), (258, 834995), (301, 715710), (430, 500997), (602, 357855), (645, 333998), (903, 238570), (1290, 166999), (1505, 143142), (1806, 119285), (3010, 71571), (4515, 47714), (9030, 23857)]