28231340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{74293}}^1$

素因数の和:74321

約数の個数: 24

約数和(自身を含む): 62406960

約数和(自身を除く): 34175620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 74293, 148586, 297172, 371465, 742930, 1411567, 1485860, 2823134, 5646268, 7057835, 14115670, 28231340]

約数ペア:

[(1, 28231340), (2, 14115670), (4, 7057835), (5, 5646268), (10, 2823134), (19, 1485860), (20, 1411567), (38, 742930), (76, 371465), (95, 297172), (190, 148586), (380, 74293)]