205804975

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{683}}^1\times {\mathrm{709}}^1$

素因数の和:1419

約数の個数: 24

約数和(自身を含む): 270987120

約数和(自身を除く): 65182145

約数列:

[1, 5, 17, 25, 85, 425, 683, 709, 3415, 3545, 11611, 12053, 17075, 17725, 58055, 60265, 290275, 301325, 484247, 2421235, 8232199, 12106175, 41160995, 205804975]

約数ペア:

[(1, 205804975), (5, 41160995), (17, 12106175), (25, 8232199), (85, 2421235), (425, 484247), (683, 301325), (709, 290275), (3415, 60265), (3545, 58055), (11611, 17725), (12053, 17075)]