42890960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{401}}^1$

素因数の和:612

約数の個数: 80

約数和(自身を含む): 114849792

約数和(自身を除く): 71958832

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 191, 280, 382, 401, 560, 764, 802, 955, 1337, 1528, 1604, 1910, 2005, 2674, 2807, 3056, 3208, 3820, 4010, 5348, 5614, 6416, 6685, 7640, 8020, 10696, 11228, 13370, 14035, 15280, 16040, 21392, 22456, 26740, 28070, 32080, 44912, 53480, 56140, 76591, 106960, 112280, 153182, 224560, 306364, 382955, 536137, 612728, 765910, 1072274, 1225456, 1531820, 2144548, 2680685, 3063640, 4289096, 5361370, 6127280, 8578192, 10722740, 21445480, 42890960]

約数ペア:

[(1, 42890960), (2, 21445480), (4, 10722740), (5, 8578192), (7, 6127280), (8, 5361370), (10, 4289096), (14, 3063640), (16, 2680685), (20, 2144548), (28, 1531820), (35, 1225456), (40, 1072274), (56, 765910), (70, 612728), (80, 536137), (112, 382955), (140, 306364), (191, 224560), (280, 153182), (382, 112280), (401, 106960), (560, 76591), (764, 56140), (802, 53480), (955, 44912), (1337, 32080), (1528, 28070), (1604, 26740), (1910, 22456), (2005, 21392), (2674, 16040), (2807, 15280), (3056, 14035), (3208, 13370), (3820, 11228), (4010, 10696), (5348, 8020), (5614, 7640), (6416, 6685)]