188320490

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{649381}}^1$

素因数の和:649417

約数の個数: 16

約数和(自身を含む): 350666280

約数和(自身を除く): 162345790

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 649381, 1298762, 3246905, 6493810, 18832049, 37664098, 94160245, 188320490]

約数ペア:

[(1, 188320490), (2, 94160245), (5, 37664098), (10, 18832049), (29, 6493810), (58, 3246905), (145, 1298762), (290, 649381)]