28203140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{201451}}^1$

素因数の和:201467

約数の個数: 24

約数和(自身を含む): 67687872

約数和(自身を除く): 39484732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 201451, 402902, 805804, 1007255, 1410157, 2014510, 2820314, 4029020, 5640628, 7050785, 14101570, 28203140]

約数ペア:

[(1, 28203140), (2, 14101570), (4, 7050785), (5, 5640628), (7, 4029020), (10, 2820314), (14, 2014510), (20, 1410157), (28, 1007255), (35, 805804), (70, 402902), (140, 201451)]