90381025

素因数分解:

$5^2\times 7^1\times {\mathrm{241}}^1\times {\mathrm{2143}}^1$

素因数の和:2401

約数の個数: 24

約数和(自身を含む): 128674304

約数和(自身を除く): 38293279

約数列:

[1, 5, 7, 25, 35, 175, 241, 1205, 1687, 2143, 6025, 8435, 10715, 15001, 42175, 53575, 75005, 375025, 516463, 2582315, 3615241, 12911575, 18076205, 90381025]

約数ペア:

[(1, 90381025), (5, 18076205), (7, 12911575), (25, 3615241), (35, 2582315), (175, 516463), (241, 375025), (1205, 75005), (1687, 53575), (2143, 42175), (6025, 15001), (8435, 10715)]