210505940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{553963}}^1$

素因数の和:553991

約数の個数: 24

約数和(自身を含む): 465329760

約数和(自身を除く): 254823820

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 553963, 1107926, 2215852, 2769815, 5539630, 10525297, 11079260, 21050594, 42101188, 52626485, 105252970, 210505940]

約数ペア:

[(1, 210505940), (2, 105252970), (4, 52626485), (5, 42101188), (10, 21050594), (19, 11079260), (20, 10525297), (38, 5539630), (76, 2769815), (95, 2215852), (190, 1107926), (380, 553963)]