2019989275

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{28541}}^1$

素因数の和:28719

約数の個数: 24

約数和(自身を含む): 2654406000

約数和(自身を除く): 634416725

約数列:

[1, 5, 19, 25, 95, 149, 475, 745, 2831, 3725, 14155, 28541, 70775, 142705, 542279, 713525, 2711395, 4252609, 13556975, 21263045, 80799571, 106315225, 403997855, 2019989275]

約数ペア:

[(1, 2019989275), (5, 403997855), (19, 106315225), (25, 80799571), (95, 21263045), (149, 13556975), (475, 4252609), (745, 2711395), (2831, 713525), (3725, 542279), (14155, 142705), (28541, 70775)]