199312820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1423663}}^1$

素因数の和:1423679

約数の個数: 24

約数和(自身を含む): 478351104

約数和(自身を除く): 279038284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1423663, 2847326, 5694652, 7118315, 9965641, 14236630, 19931282, 28473260, 39862564, 49828205, 99656410, 199312820]

約数ペア:

[(1, 199312820), (2, 99656410), (4, 49828205), (5, 39862564), (7, 28473260), (10, 19931282), (14, 14236630), (20, 9965641), (28, 7118315), (35, 5694652), (70, 2847326), (140, 1423663)]