205800910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{2940013}}^1$

素因数の和:2940027

約数の個数: 16

約数和(自身を含む): 423362016

約数和(自身を除く): 217561106

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 2940013, 5880026, 14700065, 20580091, 29400130, 41160182, 102900455, 205800910]

約数ペア:

[(1, 205800910), (2, 102900455), (5, 41160182), (7, 29400130), (10, 20580091), (14, 14700065), (35, 5880026), (70, 2940013)]