4349020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 10090080

約数和(自身を除く): 5741060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 389, 430, 559, 778, 860, 1118, 1556, 1945, 2236, 2795, 3890, 5057, 5590, 7780, 10114, 11180, 16727, 20228, 25285, 33454, 50570, 66908, 83635, 101140, 167270, 217451, 334540, 434902, 869804, 1087255, 2174510, 4349020]

約数ペア:

[(1, 4349020), (2, 2174510), (4, 1087255), (5, 869804), (10, 434902), (13, 334540), (20, 217451), (26, 167270), (43, 101140), (52, 83635), (65, 66908), (86, 50570), (130, 33454), (172, 25285), (215, 20228), (260, 16727), (389, 11180), (430, 10114), (559, 7780), (778, 5590), (860, 5057), (1118, 3890), (1556, 2795), (1945, 2236)]