203140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1451}}^1$

素因数の和:1467

約数の個数: 24

約数和(自身を含む): 487872

約数和(自身を除く): 284732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1451, 2902, 5804, 7255, 10157, 14510, 20314, 29020, 40628, 50785, 101570, 203140]

約数ペア:

[(1, 203140), (2, 101570), (4, 50785), (5, 40628), (7, 29020), (10, 20314), (14, 14510), (20, 10157), (28, 7255), (35, 5804), (70, 2902), (140, 1451)]