201123970

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1\times {\mathrm{1009}}^1$

素因数の和:1690

約数の個数: 32

約数和(自身を含む): 374653440

約数和(自身を除く): 173529470

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 643, 1009, 1286, 2018, 3215, 5045, 6430, 10090, 19933, 31279, 39866, 62558, 99665, 156395, 199330, 312790, 648787, 1297574, 3243935, 6487870, 20112397, 40224794, 100561985, 201123970]

約数ペア:

[(1, 201123970), (2, 100561985), (5, 40224794), (10, 20112397), (31, 6487870), (62, 3243935), (155, 1297574), (310, 648787), (643, 312790), (1009, 199330), (1286, 156395), (2018, 99665), (3215, 62558), (5045, 39866), (6430, 31279), (10090, 19933)]