388956980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1023571}}^1$

素因数の和:1023599

約数の個数: 24

約数和(自身を含む): 859800480

約数和(自身を除く): 470843500

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1023571, 2047142, 4094284, 5117855, 10235710, 19447849, 20471420, 38895698, 77791396, 97239245, 194478490, 388956980]

約数ペア:

[(1, 388956980), (2, 194478490), (4, 97239245), (5, 77791396), (10, 38895698), (19, 20471420), (20, 19447849), (38, 10235710), (76, 5117855), (95, 4094284), (190, 2047142), (380, 1023571)]