245842940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1756021}}^1$

素因数の和:1756037

約数の個数: 24

約数和(自身を含む): 590023392

約数和(自身を除く): 344180452

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1756021, 3512042, 7024084, 8780105, 12292147, 17560210, 24584294, 35120420, 49168588, 61460735, 122921470, 245842940]

約数ペア:

[(1, 245842940), (2, 122921470), (4, 61460735), (5, 49168588), (7, 35120420), (10, 24584294), (14, 17560210), (20, 12292147), (28, 8780105), (35, 7024084), (70, 3512042), (140, 1756021)]