156921860

素因数分解:

$2^2\times 5^1\times {\mathrm{367}}^1\times {\mathrm{21379}}^1$

素因数の和:21755

約数の個数: 24

約数和(自身を含む): 330449280

約数和(自身を除く): 173527420

約数列:

[1, 2, 4, 5, 10, 20, 367, 734, 1468, 1835, 3670, 7340, 21379, 42758, 85516, 106895, 213790, 427580, 7846093, 15692186, 31384372, 39230465, 78460930, 156921860]

約数ペア:

[(1, 156921860), (2, 78460930), (4, 39230465), (5, 31384372), (10, 15692186), (20, 7846093), (367, 427580), (734, 213790), (1468, 106895), (1835, 85516), (3670, 42758), (7340, 21379)]