164006780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1171477}}^1$

素因数の和:1171493

約数の個数: 24

約数和(自身を含む): 393616608

約数和(自身を除く): 229609828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1171477, 2342954, 4685908, 5857385, 8200339, 11714770, 16400678, 23429540, 32801356, 41001695, 82003390, 164006780]

約数ペア:

[(1, 164006780), (2, 82003390), (4, 41001695), (5, 32801356), (7, 23429540), (10, 16400678), (14, 11714770), (20, 8200339), (28, 5857385), (35, 4685908), (70, 2342954), (140, 1171477)]