393400225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{28559}}^1$

素因数の和:28617

約数の個数: 24

約数和(自身を含む): 531216000

約数和(自身を除く): 137815775

約数列:

[1, 5, 19, 25, 29, 95, 145, 475, 551, 725, 2755, 13775, 28559, 142795, 542621, 713975, 828211, 2713105, 4141055, 13565525, 15736009, 20705275, 78680045, 393400225]

約数ペア:

[(1, 393400225), (5, 78680045), (19, 20705275), (25, 15736009), (29, 13565525), (95, 4141055), (145, 2713105), (475, 828211), (551, 713975), (725, 542621), (2755, 142795), (13775, 28559)]