7428820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{1129}}^1$

素因数の和:1192

約数の個数: 48

約数和(自身を含む): 18224640

約数和(自身を除く): 10795820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1129, 1316, 1645, 2258, 3290, 4516, 5645, 6580, 7903, 11290, 15806, 22580, 31612, 39515, 53063, 79030, 106126, 158060, 212252, 265315, 371441, 530630, 742882, 1061260, 1485764, 1857205, 3714410, 7428820]

約数ペア:

[(1, 7428820), (2, 3714410), (4, 1857205), (5, 1485764), (7, 1061260), (10, 742882), (14, 530630), (20, 371441), (28, 265315), (35, 212252), (47, 158060), (70, 106126), (94, 79030), (140, 53063), (188, 39515), (235, 31612), (329, 22580), (470, 15806), (658, 11290), (940, 7903), (1129, 6580), (1316, 5645), (1645, 4516), (2258, 3290)]