289375925

素因数分解:

$5^2\times {\mathrm{103}}^1\times {\mathrm{109}}^1\times {\mathrm{1031}}^1$

素因数の和:1253

約数の個数: 24

約数和(自身を含む): 365988480

約数和(自身を除く): 76612555

約数列:

[1, 5, 25, 103, 109, 515, 545, 1031, 2575, 2725, 5155, 11227, 25775, 56135, 106193, 112379, 280675, 530965, 561895, 2654825, 2809475, 11575037, 57875185, 289375925]

約数ペア:

[(1, 289375925), (5, 57875185), (25, 11575037), (103, 2809475), (109, 2654825), (515, 561895), (545, 530965), (1031, 280675), (2575, 112379), (2725, 106193), (5155, 56135), (11227, 25775)]