201990242590

素因数分解:

$2^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{44986691}}^1$

素因数の和:44987147

約数の個数: 16

約数和(自身を含む): 364392205200

約数和(自身を除く): 162401962610

約数列:

[1, 2, 5, 10, 449, 898, 2245, 4490, 44986691, 89973382, 224933455, 449866910, 20199024259, 40398048518, 100995121295, 201990242590]

約数ペア:

[(1, 201990242590), (2, 100995121295), (5, 40398048518), (10, 20199024259), (449, 449866910), (898, 224933455), (2245, 89973382), (4490, 44986691)]