248867620

素因数分解:

$2^2\times 5^1\times {\mathrm{1811}}^1\times {\mathrm{6871}}^1$

素因数の和:8691

約数の個数: 24

約数和(自身を含む): 522986688

約数和(自身を除く): 274119068

約数列:

[1, 2, 4, 5, 10, 20, 1811, 3622, 6871, 7244, 9055, 13742, 18110, 27484, 34355, 36220, 68710, 137420, 12443381, 24886762, 49773524, 62216905, 124433810, 248867620]

約数ペア:

[(1, 248867620), (2, 124433810), (4, 62216905), (5, 49773524), (10, 24886762), (20, 12443381), (1811, 137420), (3622, 68710), (6871, 36220), (7244, 34355), (9055, 27484), (13742, 18110)]