118778980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{191579}}^1$

素因数の和:191619

約数の個数: 24

約数和(自身を含む): 257483520

約数和(自身を除く): 138704540

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 191579, 383158, 766316, 957895, 1915790, 3831580, 5938949, 11877898, 23755796, 29694745, 59389490, 118778980]

約数ペア:

[(1, 118778980), (2, 59389490), (4, 29694745), (5, 23755796), (10, 11877898), (20, 5938949), (31, 3831580), (62, 1915790), (124, 957895), (155, 766316), (310, 383158), (620, 191579)]