311527870

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1\times {\mathrm{3881}}^1$

素因数の和:4260

約数の個数: 32

約数和(自身を含む): 586958400

約数和(自身を除く): 275430530

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 349, 698, 1745, 3490, 3881, 7762, 8027, 16054, 19405, 38810, 40135, 80270, 89263, 178526, 446315, 892630, 1354469, 2708938, 6772345, 13544690, 31152787, 62305574, 155763935, 311527870]

約数ペア:

[(1, 311527870), (2, 155763935), (5, 62305574), (10, 31152787), (23, 13544690), (46, 6772345), (115, 2708938), (230, 1354469), (349, 892630), (698, 446315), (1745, 178526), (3490, 89263), (3881, 80270), (7762, 40135), (8027, 38810), (16054, 19405)]