77779870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^2\times {\mathrm{661}}^1$

素因数の和:757

約数の個数: 48

約数和(自身を含む): 164250144

約数和(自身を除く): 86470274

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 82, 205, 287, 410, 574, 661, 1322, 1435, 1681, 2870, 3305, 3362, 4627, 6610, 8405, 9254, 11767, 16810, 23135, 23534, 27101, 46270, 54202, 58835, 117670, 135505, 189707, 271010, 379414, 948535, 1111141, 1897070, 2222282, 5555705, 7777987, 11111410, 15555974, 38889935, 77779870]

約数ペア:

[(1, 77779870), (2, 38889935), (5, 15555974), (7, 11111410), (10, 7777987), (14, 5555705), (35, 2222282), (41, 1897070), (70, 1111141), (82, 948535), (205, 379414), (287, 271010), (410, 189707), (574, 135505), (661, 117670), (1322, 58835), (1435, 54202), (1681, 46270), (2870, 27101), (3305, 23534), (3362, 23135), (4627, 16810), (6610, 11767), (8405, 9254)]