189267820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1351913}}^1$

素因数の和:1351929

約数の個数: 24

約数和(自身を含む): 454243104

約数和(自身を除く): 264975284

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1351913, 2703826, 5407652, 6759565, 9463391, 13519130, 18926782, 27038260, 37853564, 47316955, 94633910, 189267820]

約数ペア:

[(1, 189267820), (2, 94633910), (4, 47316955), (5, 37853564), (7, 27038260), (10, 18926782), (14, 13519130), (20, 9463391), (28, 6759565), (35, 5407652), (70, 2703826), (140, 1351913)]