267820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1913}}^1$

素因数の和:1929

約数の個数: 24

約数和(自身を含む): 643104

約数和(自身を除く): 375284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1913, 3826, 7652, 9565, 13391, 19130, 26782, 38260, 53564, 66955, 133910, 267820]

約数ペア:

[(1, 267820), (2, 133910), (4, 66955), (5, 53564), (7, 38260), (10, 26782), (14, 19130), (20, 13391), (28, 9565), (35, 7652), (70, 3826), (140, 1913)]