187081780

素因数分解:

$2^2\times 5^1\times {\mathrm{1471}}^1\times {\mathrm{6359}}^1$

素因数の和:7839

約数の個数: 24

約数和(自身を含む): 393200640

約数和(自身を除く): 206118860

約数列:

[1, 2, 4, 5, 10, 20, 1471, 2942, 5884, 6359, 7355, 12718, 14710, 25436, 29420, 31795, 63590, 127180, 9354089, 18708178, 37416356, 46770445, 93540890, 187081780]

約数ペア:

[(1, 187081780), (2, 93540890), (4, 46770445), (5, 37416356), (10, 18708178), (20, 9354089), (1471, 127180), (2942, 63590), (5884, 31795), (6359, 29420), (7355, 25436), (12718, 14710)]