201531880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{458027}}^1$

素因数の和:458049

約数の個数: 32

約数和(自身を含む): 494670240

約数和(自身を除く): 293138360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 458027, 916054, 1832108, 2290135, 3664216, 4580270, 5038297, 9160540, 10076594, 18321080, 20153188, 25191485, 40306376, 50382970, 100765940, 201531880]

約数ペア:

[(1, 201531880), (2, 100765940), (4, 50382970), (5, 40306376), (8, 25191485), (10, 20153188), (11, 18321080), (20, 10076594), (22, 9160540), (40, 5038297), (44, 4580270), (55, 3664216), (88, 2290135), (110, 1832108), (220, 916054), (440, 458027)]