55226780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{421}}^1\times {\mathrm{937}}^1$

素因数の和:1374

約数の個数: 48

約数和(自身を含む): 133000896

約数和(自身を除く): 77774116

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 421, 842, 937, 1684, 1874, 2105, 2947, 3748, 4210, 4685, 5894, 6559, 8420, 9370, 11788, 13118, 14735, 18740, 26236, 29470, 32795, 58940, 65590, 131180, 394477, 788954, 1577908, 1972385, 2761339, 3944770, 5522678, 7889540, 11045356, 13806695, 27613390, 55226780]

約数ペア:

[(1, 55226780), (2, 27613390), (4, 13806695), (5, 11045356), (7, 7889540), (10, 5522678), (14, 3944770), (20, 2761339), (28, 1972385), (35, 1577908), (70, 788954), (140, 394477), (421, 131180), (842, 65590), (937, 58940), (1684, 32795), (1874, 29470), (2105, 26236), (2947, 18740), (3748, 14735), (4210, 13118), (4685, 11788), (5894, 9370), (6559, 8420)]