1687580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4441}}^1$

素因数の和:4469

約数の個数: 24

約数和(自身を含む): 3731280

約数和(自身を除く): 2043700

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 4441, 8882, 17764, 22205, 44410, 84379, 88820, 168758, 337516, 421895, 843790, 1687580]

約数ペア:

[(1, 1687580), (2, 843790), (4, 421895), (5, 337516), (10, 168758), (19, 88820), (20, 84379), (38, 44410), (76, 22205), (95, 17764), (190, 8882), (380, 4441)]