201307820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1437913}}^1$

素因数の和:1437929

約数の個数: 24

約数和(自身を含む): 483139104

約数和(自身を除く): 281831284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1437913, 2875826, 5751652, 7189565, 10065391, 14379130, 20130782, 28758260, 40261564, 50326955, 100653910, 201307820]

約数ペア:

[(1, 201307820), (2, 100653910), (4, 50326955), (5, 40261564), (7, 28758260), (10, 20130782), (14, 14379130), (20, 10065391), (28, 7189565), (35, 5751652), (70, 2875826), (140, 1437913)]