202147820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1443913}}^1$

素因数の和:1443929

約数の個数: 24

約数和(自身を含む): 485155104

約数和(自身を除く): 283007284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1443913, 2887826, 5775652, 7219565, 10107391, 14439130, 20214782, 28878260, 40429564, 50536955, 101073910, 202147820]

約数ペア:

[(1, 202147820), (2, 101073910), (4, 50536955), (5, 40429564), (7, 28878260), (10, 20214782), (14, 14439130), (20, 10107391), (28, 7219565), (35, 5775652), (70, 2887826), (140, 1443913)]