8420236460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{161741}}^1$

素因数の和:161906

約数の個数: 48

約数和(自身を含む): 18749132640

約数和(自身を除く): 10328896180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 137, 190, 274, 380, 548, 685, 1370, 2603, 2740, 5206, 10412, 13015, 26030, 52060, 161741, 323482, 646964, 808705, 1617410, 3073079, 3234820, 6146158, 12292316, 15365395, 22158517, 30730790, 44317034, 61461580, 88634068, 110792585, 221585170, 421011823, 443170340, 842023646, 1684047292, 2105059115, 4210118230, 8420236460]

約数ペア:

[(1, 8420236460), (2, 4210118230), (4, 2105059115), (5, 1684047292), (10, 842023646), (19, 443170340), (20, 421011823), (38, 221585170), (76, 110792585), (95, 88634068), (137, 61461580), (190, 44317034), (274, 30730790), (380, 22158517), (548, 15365395), (685, 12292316), (1370, 6146158), (2603, 3234820), (2740, 3073079), (5206, 1617410), (10412, 808705), (13015, 646964), (26030, 323482), (52060, 161741)]