71305640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{254663}}^1$

素因数の和:254681

約数の個数: 32

約数和(自身を含む): 183358080

約数和(自身を除く): 112052440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 254663, 509326, 1018652, 1273315, 1782641, 2037304, 2546630, 3565282, 5093260, 7130564, 8913205, 10186520, 14261128, 17826410, 35652820, 71305640]

約数ペア:

[(1, 71305640), (2, 35652820), (4, 17826410), (5, 14261128), (7, 10186520), (8, 8913205), (10, 7130564), (14, 5093260), (20, 3565282), (28, 2546630), (35, 2037304), (40, 1782641), (56, 1273315), (70, 1018652), (140, 509326), (280, 254663)]