207912980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{945059}}^1$

素因数の和:945079

約数の個数: 24

約数和(自身を含む): 476310240

約数和(自身を除く): 268397260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 945059, 1890118, 3780236, 4725295, 9450590, 10395649, 18901180, 20791298, 41582596, 51978245, 103956490, 207912980]

約数ペア:

[(1, 207912980), (2, 103956490), (4, 51978245), (5, 41582596), (10, 20791298), (11, 18901180), (20, 10395649), (22, 9450590), (44, 4725295), (55, 3780236), (110, 1890118), (220, 945059)]