7257740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1103}}^1$

素因数の和:1166

約数の個数: 48

約数和(自身を含む): 17805312

約数和(自身を除く): 10547572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1103, 1316, 1645, 2206, 3290, 4412, 5515, 6580, 7721, 11030, 15442, 22060, 30884, 38605, 51841, 77210, 103682, 154420, 207364, 259205, 362887, 518410, 725774, 1036820, 1451548, 1814435, 3628870, 7257740]

約数ペア:

[(1, 7257740), (2, 3628870), (4, 1814435), (5, 1451548), (7, 1036820), (10, 725774), (14, 518410), (20, 362887), (28, 259205), (35, 207364), (47, 154420), (70, 103682), (94, 77210), (140, 51841), (188, 38605), (235, 30884), (329, 22060), (470, 15442), (658, 11030), (940, 7721), (1103, 6580), (1316, 5515), (1645, 4412), (2206, 3290)]