201657580

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{190243}}^1$

素因数の和:190305

約数の個数: 24

約数和(自身を含む): 431473392

約数和(自身を除く): 229815812

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 190243, 380486, 760972, 951215, 1902430, 3804860, 10082879, 20165758, 40331516, 50414395, 100828790, 201657580]

約数ペア:

[(1, 201657580), (2, 100828790), (4, 50414395), (5, 40331516), (10, 20165758), (20, 10082879), (53, 3804860), (106, 1902430), (212, 951215), (265, 760972), (530, 380486), (1060, 190243)]