223368980

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{43457}}^1$

素因数の和:43723

約数の個数: 24

約数和(自身を含む): 470910888

約数和(自身を除く): 247541908

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 43457, 86914, 173828, 217285, 434570, 869140, 11168449, 22336898, 44673796, 55842245, 111684490, 223368980]

約数ペア:

[(1, 223368980), (2, 111684490), (4, 55842245), (5, 44673796), (10, 22336898), (20, 11168449), (257, 869140), (514, 434570), (1028, 217285), (1285, 173828), (2570, 86914), (5140, 43457)]