90305140

素因数分解:

$2^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{19891}}^1$

素因数の和:20127

約数の個数: 24

約数和(自身を含む): 190485792

約数和(自身を除く): 100180652

約数列:

[1, 2, 4, 5, 10, 20, 227, 454, 908, 1135, 2270, 4540, 19891, 39782, 79564, 99455, 198910, 397820, 4515257, 9030514, 18061028, 22576285, 45152570, 90305140]

約数ペア:

[(1, 90305140), (2, 45152570), (4, 22576285), (5, 18061028), (10, 9030514), (20, 4515257), (227, 397820), (454, 198910), (908, 99455), (1135, 79564), (2270, 39782), (4540, 19891)]