422496400

素因数分解:

$2^4\times 5^2\times {\mathrm{1056241}}^1$

素因数の和:1056259

約数の個数: 30

約数和(自身を含む): 1015048562

約数和(自身を除く): 592552162

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 1056241, 2112482, 4224964, 5281205, 8449928, 10562410, 16899856, 21124820, 26406025, 42249640, 52812050, 84499280, 105624100, 211248200, 422496400]

約数ペア:

[(1, 422496400), (2, 211248200), (4, 105624100), (5, 84499280), (8, 52812050), (10, 42249640), (16, 26406025), (20, 21124820), (25, 16899856), (40, 10562410), (50, 8449928), (80, 5281205), (100, 4224964), (200, 2112482), (400, 1056241)]