258868420

素因数分解:

$2^2\times 5^1\times {\mathrm{2801}}^1\times {\mathrm{4621}}^1$

素因数の和:7431

約数の個数: 24

約数和(自身を含む): 543935448

約数和(自身を除く): 285067028

約数列:

[1, 2, 4, 5, 10, 20, 2801, 4621, 5602, 9242, 11204, 14005, 18484, 23105, 28010, 46210, 56020, 92420, 12943421, 25886842, 51773684, 64717105, 129434210, 258868420]

約数ペア:

[(1, 258868420), (2, 129434210), (4, 64717105), (5, 51773684), (10, 25886842), (20, 12943421), (2801, 92420), (4621, 56020), (5602, 46210), (9242, 28010), (11204, 23105), (14005, 18484)]