49290920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{439}}^1$

素因数の和:858

約数の個数: 64

約数和(自身を含む): 127353600

約数和(自身を除く): 78062680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 401, 439, 802, 878, 1604, 1756, 2005, 2195, 2807, 3073, 3208, 3512, 4010, 4390, 5614, 6146, 8020, 8780, 11228, 12292, 14035, 15365, 16040, 17560, 22456, 24584, 28070, 30730, 56140, 61460, 112280, 122920, 176039, 352078, 704156, 880195, 1232273, 1408312, 1760390, 2464546, 3520780, 4929092, 6161365, 7041560, 9858184, 12322730, 24645460, 49290920]

約数ペア:

[(1, 49290920), (2, 24645460), (4, 12322730), (5, 9858184), (7, 7041560), (8, 6161365), (10, 4929092), (14, 3520780), (20, 2464546), (28, 1760390), (35, 1408312), (40, 1232273), (56, 880195), (70, 704156), (140, 352078), (280, 176039), (401, 122920), (439, 112280), (802, 61460), (878, 56140), (1604, 30730), (1756, 28070), (2005, 24584), (2195, 22456), (2807, 17560), (3073, 16040), (3208, 15365), (3512, 14035), (4010, 12292), (4390, 11228), (5614, 8780), (6146, 8020)]