2647820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{18913}}^1$

素因数の和:18929

約数の個数: 24

約数和(自身を含む): 6355104

約数和(自身を除く): 3707284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 18913, 37826, 75652, 94565, 132391, 189130, 264782, 378260, 529564, 661955, 1323910, 2647820]

約数ペア:

[(1, 2647820), (2, 1323910), (4, 661955), (5, 529564), (7, 378260), (10, 264782), (14, 189130), (20, 132391), (28, 94565), (35, 75652), (70, 37826), (140, 18913)]