190490

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{443}}^1$

素因数の和:493

約数の個数: 16

約数和(自身を含む): 351648

約数和(自身を除く): 161158

約数列:

[1, 2, 5, 10, 43, 86, 215, 430, 443, 886, 2215, 4430, 19049, 38098, 95245, 190490]

約数ペア:

[(1, 190490), (2, 95245), (5, 38098), (10, 19049), (43, 4430), (86, 2215), (215, 886), (430, 443)]