164927180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{257}}^1\times {\mathrm{2917}}^1$

素因数の和:3194

約数の個数: 48

約数和(自身を含む): 379433376

約数和(自身を除く): 214506196

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 257, 514, 1028, 1285, 2570, 2827, 2917, 5140, 5654, 5834, 11308, 11668, 14135, 14585, 28270, 29170, 32087, 56540, 58340, 64174, 128348, 160435, 320870, 641740, 749669, 1499338, 2998676, 3748345, 7496690, 8246359, 14993380, 16492718, 32985436, 41231795, 82463590, 164927180]

約数ペア:

[(1, 164927180), (2, 82463590), (4, 41231795), (5, 32985436), (10, 16492718), (11, 14993380), (20, 8246359), (22, 7496690), (44, 3748345), (55, 2998676), (110, 1499338), (220, 749669), (257, 641740), (514, 320870), (1028, 160435), (1285, 128348), (2570, 64174), (2827, 58340), (2917, 56540), (5140, 32087), (5654, 29170), (5834, 28270), (11308, 14585), (11668, 14135)]