173820740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{4441}}^1$

素因数の和:4572

約数の個数: 48

約数和(自身を含む): 388053120

約数和(自身を除く): 214232380

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 103, 190, 206, 380, 412, 515, 1030, 1957, 2060, 3914, 4441, 7828, 8882, 9785, 17764, 19570, 22205, 39140, 44410, 84379, 88820, 168758, 337516, 421895, 457423, 843790, 914846, 1687580, 1829692, 2287115, 4574230, 8691037, 9148460, 17382074, 34764148, 43455185, 86910370, 173820740]

約数ペア:

[(1, 173820740), (2, 86910370), (4, 43455185), (5, 34764148), (10, 17382074), (19, 9148460), (20, 8691037), (38, 4574230), (76, 2287115), (95, 1829692), (103, 1687580), (190, 914846), (206, 843790), (380, 457423), (412, 421895), (515, 337516), (1030, 168758), (1957, 88820), (2060, 84379), (3914, 44410), (4441, 39140), (7828, 22205), (8882, 19570), (9785, 17764)]