123218650

素因数分解:

$2^1\times 5^2\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{257}}^1$

素因数の和:535

約数の個数: 48

約数和(自身を含む): 236484864

約数和(自身を除く): 113266214

約数列:

[1, 2, 5, 10, 25, 43, 50, 86, 215, 223, 257, 430, 446, 514, 1075, 1115, 1285, 2150, 2230, 2570, 5575, 6425, 9589, 11051, 11150, 12850, 19178, 22102, 47945, 55255, 57311, 95890, 110510, 114622, 239725, 276275, 286555, 479450, 552550, 573110, 1432775, 2464373, 2865550, 4928746, 12321865, 24643730, 61609325, 123218650]

約数ペア:

[(1, 123218650), (2, 61609325), (5, 24643730), (10, 12321865), (25, 4928746), (43, 2865550), (50, 2464373), (86, 1432775), (215, 573110), (223, 552550), (257, 479450), (430, 286555), (446, 276275), (514, 239725), (1075, 114622), (1115, 110510), (1285, 95890), (2150, 57311), (2230, 55255), (2570, 47945), (5575, 22102), (6425, 19178), (9589, 12850), (11051, 11150)]