42521780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{303727}}^1$

素因数の和:303743

約数の個数: 24

約数和(自身を含む): 102052608

約数和(自身を除く): 59530828

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 303727, 607454, 1214908, 1518635, 2126089, 3037270, 4252178, 6074540, 8504356, 10630445, 21260890, 42521780]

約数ペア:

[(1, 42521780), (2, 21260890), (4, 10630445), (5, 8504356), (7, 6074540), (10, 4252178), (14, 3037270), (20, 2126089), (28, 1518635), (35, 1214908), (70, 607454), (140, 303727)]