291263140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{2080451}}^1$

素因数の和:2080467

約数の個数: 24

約数和(自身を含む): 699031872

約数和(自身を除く): 407768732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 2080451, 4160902, 8321804, 10402255, 14563157, 20804510, 29126314, 41609020, 58252628, 72815785, 145631570, 291263140]

約数ペア:

[(1, 291263140), (2, 145631570), (4, 72815785), (5, 58252628), (7, 41609020), (10, 29126314), (14, 20804510), (20, 14563157), (28, 10402255), (35, 8321804), (70, 4160902), (140, 2080451)]