311284540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{21587}}^1$

素因数の和:21706

約数の個数: 48

約数和(自身を含む): 754371072

約数和(自身を除く): 443086532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 103, 140, 206, 412, 515, 721, 1030, 1442, 2060, 2884, 3605, 7210, 14420, 21587, 43174, 86348, 107935, 151109, 215870, 302218, 431740, 604436, 755545, 1511090, 2223461, 3022180, 4446922, 8893844, 11117305, 15564227, 22234610, 31128454, 44469220, 62256908, 77821135, 155642270, 311284540]

約数ペア:

[(1, 311284540), (2, 155642270), (4, 77821135), (5, 62256908), (7, 44469220), (10, 31128454), (14, 22234610), (20, 15564227), (28, 11117305), (35, 8893844), (70, 4446922), (103, 3022180), (140, 2223461), (206, 1511090), (412, 755545), (515, 604436), (721, 431740), (1030, 302218), (1442, 215870), (2060, 151109), (2884, 107935), (3605, 86348), (7210, 43174), (14420, 21587)]