648720730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{743}}^1\times {\mathrm{12473}}^1$

素因数の和:13230

約数の個数: 32

約数和(自身を含む): 1336414464

約数和(自身を除く): 687693734

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 743, 1486, 3715, 5201, 7430, 10402, 12473, 24946, 26005, 52010, 62365, 87311, 124730, 174622, 436555, 873110, 9267439, 18534878, 46337195, 64872073, 92674390, 129744146, 324360365, 648720730]

約数ペア:

[(1, 648720730), (2, 324360365), (5, 129744146), (7, 92674390), (10, 64872073), (14, 46337195), (35, 18534878), (70, 9267439), (743, 873110), (1486, 436555), (3715, 174622), (5201, 124730), (7430, 87311), (10402, 62365), (12473, 52010), (24946, 26005)]