98581840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{439}}^1$

素因数の和:860

約数の個数: 80

約数和(自身を含む): 263197440

約数和(自身を除く): 164615600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 401, 439, 560, 802, 878, 1604, 1756, 2005, 2195, 2807, 3073, 3208, 3512, 4010, 4390, 5614, 6146, 6416, 7024, 8020, 8780, 11228, 12292, 14035, 15365, 16040, 17560, 22456, 24584, 28070, 30730, 32080, 35120, 44912, 49168, 56140, 61460, 112280, 122920, 176039, 224560, 245840, 352078, 704156, 880195, 1232273, 1408312, 1760390, 2464546, 2816624, 3520780, 4929092, 6161365, 7041560, 9858184, 12322730, 14083120, 19716368, 24645460, 49290920, 98581840]

約数ペア:

[(1, 98581840), (2, 49290920), (4, 24645460), (5, 19716368), (7, 14083120), (8, 12322730), (10, 9858184), (14, 7041560), (16, 6161365), (20, 4929092), (28, 3520780), (35, 2816624), (40, 2464546), (56, 1760390), (70, 1408312), (80, 1232273), (112, 880195), (140, 704156), (280, 352078), (401, 245840), (439, 224560), (560, 176039), (802, 122920), (878, 112280), (1604, 61460), (1756, 56140), (2005, 49168), (2195, 44912), (2807, 35120), (3073, 32080), (3208, 30730), (3512, 28070), (4010, 24584), (4390, 22456), (5614, 17560), (6146, 16040), (6416, 15365), (7024, 14035), (8020, 12292), (8780, 11228)]