489340490

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1687381}}^1$

素因数の和:1687417

約数の個数: 16

約数和(自身を含む): 911186280

約数和(自身を除く): 421845790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 1687381, 3374762, 8436905, 16873810, 48934049, 97868098, 244670245, 489340490]

約数ペア:

[(1, 489340490), (2, 244670245), (5, 97868098), (10, 48934049), (29, 16873810), (58, 8436905), (145, 3374762), (290, 1687381)]