209404225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{14221}}^1$

素因数の和:14281

約数の個数: 24

約数和(自身を含む): 282164480

約数和(自身を除く): 72760255

約数列:

[1, 5, 19, 25, 31, 95, 155, 475, 589, 775, 2945, 14221, 14725, 71105, 270199, 355525, 440851, 1350995, 2204255, 6754975, 8376169, 11021275, 41880845, 209404225]

約数ペア:

[(1, 209404225), (5, 41880845), (19, 11021275), (25, 8376169), (31, 6754975), (95, 2204255), (155, 1350995), (475, 440851), (589, 355525), (775, 270199), (2945, 71105), (14221, 14725)]