152740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1091}}^1$

素因数の和:1107

約数の個数: 24

約数和(自身を含む): 366912

約数和(自身を除く): 214172

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1091, 2182, 4364, 5455, 7637, 10910, 15274, 21820, 30548, 38185, 76370, 152740]

約数ペア:

[(1, 152740), (2, 76370), (4, 38185), (5, 30548), (7, 21820), (10, 15274), (14, 10910), (20, 7637), (28, 5455), (35, 4364), (70, 2182), (140, 1091)]