2017805090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{405997}}^1$

素因数の和:406082

約数の個数: 32

約数和(自身を含む): 4209387264

約数和(自身を除く): 2191582174

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 4970, 405997, 811994, 2029985, 2841979, 4059970, 5683958, 14209895, 28419790, 28825787, 57651574, 144128935, 201780509, 288257870, 403561018, 1008902545, 2017805090]

約数ペア:

[(1, 2017805090), (2, 1008902545), (5, 403561018), (7, 288257870), (10, 201780509), (14, 144128935), (35, 57651574), (70, 28825787), (71, 28419790), (142, 14209895), (355, 5683958), (497, 4059970), (710, 2841979), (994, 2029985), (2485, 811994), (4970, 405997)]