87286780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{623477}}^1$

素因数の和:623493

約数の個数: 24

約数和(自身を含む): 209488608

約数和(自身を除く): 122201828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 623477, 1246954, 2493908, 3117385, 4364339, 6234770, 8728678, 12469540, 17457356, 21821695, 43643390, 87286780]

約数ペア:

[(1, 87286780), (2, 43643390), (4, 21821695), (5, 17457356), (7, 12469540), (10, 8728678), (14, 6234770), (20, 4364339), (28, 3117385), (35, 2493908), (70, 1246954), (140, 623477)]