7831450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{491}}^1$

素因数の和:543

約数の個数: 48

約数和(自身を含む): 16472160

約数和(自身を除く): 8640710

約数列:

[1, 2, 5, 10, 11, 22, 25, 29, 50, 55, 58, 110, 145, 275, 290, 319, 491, 550, 638, 725, 982, 1450, 1595, 2455, 3190, 4910, 5401, 7975, 10802, 12275, 14239, 15950, 24550, 27005, 28478, 54010, 71195, 135025, 142390, 156629, 270050, 313258, 355975, 711950, 783145, 1566290, 3915725, 7831450]

約数ペア:

[(1, 7831450), (2, 3915725), (5, 1566290), (10, 783145), (11, 711950), (22, 355975), (25, 313258), (29, 270050), (50, 156629), (55, 142390), (58, 135025), (110, 71195), (145, 54010), (275, 28478), (290, 27005), (319, 24550), (491, 15950), (550, 14239), (638, 12275), (725, 10802), (982, 7975), (1450, 5401), (1595, 4910), (2455, 3190)]