8464540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{587}}^1$

素因数の和:706

約数の個数: 48

約数和(自身を含む): 20547072

約数和(自身を除く): 12082532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 515, 587, 721, 1030, 1174, 1442, 2060, 2348, 2884, 2935, 3605, 4109, 5870, 7210, 8218, 11740, 14420, 16436, 20545, 41090, 60461, 82180, 120922, 241844, 302305, 423227, 604610, 846454, 1209220, 1692908, 2116135, 4232270, 8464540]

約数ペア:

[(1, 8464540), (2, 4232270), (4, 2116135), (5, 1692908), (7, 1209220), (10, 846454), (14, 604610), (20, 423227), (28, 302305), (35, 241844), (70, 120922), (103, 82180), (140, 60461), (206, 41090), (412, 20545), (515, 16436), (587, 14420), (721, 11740), (1030, 8218), (1174, 7210), (1442, 5870), (2060, 4109), (2348, 3605), (2884, 2935)]