204352820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1459663}}^1$

素因数の和:1459679

約数の個数: 24

約数和(自身を含む): 490447104

約数和(自身を除く): 286094284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1459663, 2919326, 5838652, 7298315, 10217641, 14596630, 20435282, 29193260, 40870564, 51088205, 102176410, 204352820]

約数ペア:

[(1, 204352820), (2, 102176410), (4, 51088205), (5, 40870564), (7, 29193260), (10, 20435282), (14, 14596630), (20, 10217641), (28, 7298315), (35, 5838652), (70, 2919326), (140, 1459663)]