282020

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{239}}^1$

素因数の和:307

約数の個数: 24

約数和(自身を含む): 604800

約数和(自身を除く): 322780

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 236, 239, 295, 478, 590, 956, 1180, 1195, 2390, 4780, 14101, 28202, 56404, 70505, 141010, 282020]

約数ペア:

[(1, 282020), (2, 141010), (4, 70505), (5, 56404), (10, 28202), (20, 14101), (59, 4780), (118, 2390), (236, 1195), (239, 1180), (295, 956), (478, 590)]