149026780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1064477}}^1$

素因数の和:1064493

約数の個数: 24

約数和(自身を含む): 357664608

約数和(自身を除く): 208637828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1064477, 2128954, 4257908, 5322385, 7451339, 10644770, 14902678, 21289540, 29805356, 37256695, 74513390, 149026780]

約数ペア:

[(1, 149026780), (2, 74513390), (4, 37256695), (5, 29805356), (7, 21289540), (10, 14902678), (14, 10644770), (20, 7451339), (28, 5322385), (35, 4257908), (70, 2128954), (140, 1064477)]