137155775

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{1451}}^1$

素因数の和:1679

約数の個数: 24

約数和(自身を含む): 180048000

約数和(自身を除く): 42892225

約数列:

[1, 5, 19, 25, 95, 199, 475, 995, 1451, 3781, 4975, 7255, 18905, 27569, 36275, 94525, 137845, 288749, 689225, 1443745, 5486231, 7218725, 27431155, 137155775]

約数ペア:

[(1, 137155775), (5, 27431155), (19, 7218725), (25, 5486231), (95, 1443745), (199, 689225), (475, 288749), (995, 137845), (1451, 94525), (3781, 36275), (4975, 27569), (7255, 18905)]