199537780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{7451}}^1$

素因数の和:7576

約数の個数: 48

約数和(自身を含む): 455704704

約数和(自身を除く): 256166924

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 103, 130, 206, 260, 412, 515, 1030, 1339, 2060, 2678, 5356, 6695, 7451, 13390, 14902, 26780, 29804, 37255, 74510, 96863, 149020, 193726, 387452, 484315, 767453, 968630, 1534906, 1937260, 3069812, 3837265, 7674530, 9976889, 15349060, 19953778, 39907556, 49884445, 99768890, 199537780]

約数ペア:

[(1, 199537780), (2, 99768890), (4, 49884445), (5, 39907556), (10, 19953778), (13, 15349060), (20, 9976889), (26, 7674530), (52, 3837265), (65, 3069812), (103, 1937260), (130, 1534906), (206, 968630), (260, 767453), (412, 484315), (515, 387452), (1030, 193726), (1339, 149020), (2060, 96863), (2678, 74510), (5356, 37255), (6695, 29804), (7451, 26780), (13390, 14902)]