561400

素因数分解:

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

素因数の和:424

約数の個数: 48

約数和(自身を含む): 1495440

約数和(自身を除く): 934040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 401, 700, 802, 1400, 1604, 2005, 2807, 3208, 4010, 5614, 8020, 10025, 11228, 14035, 16040, 20050, 22456, 28070, 40100, 56140, 70175, 80200, 112280, 140350, 280700, 561400]

約数ペア:

[(1, 561400), (2, 280700), (4, 140350), (5, 112280), (7, 80200), (8, 70175), (10, 56140), (14, 40100), (20, 28070), (25, 22456), (28, 20050), (35, 16040), (40, 14035), (50, 11228), (56, 10025), (70, 8020), (100, 5614), (140, 4010), (175, 3208), (200, 2807), (280, 2005), (350, 1604), (401, 1400), (700, 802)]