90842360

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{324437}}^1$

素因数の和:324455

約数の個数: 32

約数和(自身を含む): 233595360

約数和(自身を除く): 142753000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 324437, 648874, 1297748, 1622185, 2271059, 2595496, 3244370, 4542118, 6488740, 9084236, 11355295, 12977480, 18168472, 22710590, 45421180, 90842360]

約数ペア:

[(1, 90842360), (2, 45421180), (4, 22710590), (5, 18168472), (7, 12977480), (8, 11355295), (10, 9084236), (14, 6488740), (20, 4542118), (28, 3244370), (35, 2595496), (40, 2271059), (56, 1622185), (70, 1297748), (140, 648874), (280, 324437)]