138848900

素因数分解:

$2^2\times 5^2\times {\mathrm{89}}^1\times {\mathrm{15601}}^1$

素因数の和:15704

約数の個数: 36

約数和(自身を含む): 304707060

約数和(自身を除く): 165858160

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 89, 100, 178, 356, 445, 890, 1780, 2225, 4450, 8900, 15601, 31202, 62404, 78005, 156010, 312020, 390025, 780050, 1388489, 1560100, 2776978, 5553956, 6942445, 13884890, 27769780, 34712225, 69424450, 138848900]

約数ペア:

[(1, 138848900), (2, 69424450), (4, 34712225), (5, 27769780), (10, 13884890), (20, 6942445), (25, 5553956), (50, 2776978), (89, 1560100), (100, 1388489), (178, 780050), (356, 390025), (445, 312020), (890, 156010), (1780, 78005), (2225, 62404), (4450, 31202), (8900, 15601)]