61337080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{439}}^1\times {\mathrm{499}}^1$

素因数の和:956

約数の個数: 64

約数和(自身を含む): 158400000

約数和(自身を除く): 97062920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 439, 499, 878, 998, 1756, 1996, 2195, 2495, 3073, 3493, 3512, 3992, 4390, 4990, 6146, 6986, 8780, 9980, 12292, 13972, 15365, 17465, 17560, 19960, 24584, 27944, 30730, 34930, 61460, 69860, 122920, 139720, 219061, 438122, 876244, 1095305, 1533427, 1752488, 2190610, 3066854, 4381220, 6133708, 7667135, 8762440, 12267416, 15334270, 30668540, 61337080]

約数ペア:

[(1, 61337080), (2, 30668540), (4, 15334270), (5, 12267416), (7, 8762440), (8, 7667135), (10, 6133708), (14, 4381220), (20, 3066854), (28, 2190610), (35, 1752488), (40, 1533427), (56, 1095305), (70, 876244), (140, 438122), (280, 219061), (439, 139720), (499, 122920), (878, 69860), (998, 61460), (1756, 34930), (1996, 30730), (2195, 27944), (2495, 24584), (3073, 19960), (3493, 17560), (3512, 17465), (3992, 15365), (4390, 13972), (4990, 12292), (6146, 9980), (6986, 8780)]