157420220

素因数分解:

$2^2\times 5^1\times {\mathrm{313}}^1\times {\mathrm{25147}}^1$

素因数の和:25469

約数の個数: 24

約数和(自身を含む): 331651824

約数和(自身を除く): 174231604

約数列:

[1, 2, 4, 5, 10, 20, 313, 626, 1252, 1565, 3130, 6260, 25147, 50294, 100588, 125735, 251470, 502940, 7871011, 15742022, 31484044, 39355055, 78710110, 157420220]

約数ペア:

[(1, 157420220), (2, 78710110), (4, 39355055), (5, 31484044), (10, 15742022), (20, 7871011), (313, 502940), (626, 251470), (1252, 125735), (1565, 100588), (3130, 50294), (6260, 25147)]