208793090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{99901}}^1$

素因数の和:99938

約数の個数: 32

約数和(自身を含む): 431576640

約数和(自身を除く): 222783550

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 110, 190, 209, 418, 1045, 2090, 99901, 199802, 499505, 999010, 1098911, 1898119, 2197822, 3796238, 5494555, 9490595, 10989110, 18981190, 20879309, 41758618, 104396545, 208793090]

約数ペア:

[(1, 208793090), (2, 104396545), (5, 41758618), (10, 20879309), (11, 18981190), (19, 10989110), (22, 9490595), (38, 5494555), (55, 3796238), (95, 2197822), (110, 1898119), (190, 1098911), (209, 999010), (418, 499505), (1045, 199802), (2090, 99901)]