201243725

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{2129}}^1$

素因数の和:2357

約数の個数: 24

約数和(自身を含む): 264120000

約数和(自身を除く): 62876275

約数列:

[1, 5, 19, 25, 95, 199, 475, 995, 2129, 3781, 4975, 10645, 18905, 40451, 53225, 94525, 202255, 423671, 1011275, 2118355, 8049749, 10591775, 40248745, 201243725]

約数ペア:

[(1, 201243725), (5, 40248745), (19, 10591775), (25, 8049749), (95, 2118355), (199, 1011275), (475, 423671), (995, 202255), (2129, 94525), (3781, 53225), (4975, 40451), (10645, 18905)]