30890075

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{137}}^1\times {\mathrm{311}}^1$

素因数の和:487

約数の個数: 24

約数和(自身を含む): 40042080

約数和(自身を除く): 9152005

約数列:

[1, 5, 25, 29, 137, 145, 311, 685, 725, 1555, 3425, 3973, 7775, 9019, 19865, 42607, 45095, 99325, 213035, 225475, 1065175, 1235603, 6178015, 30890075]

約数ペア:

[(1, 30890075), (5, 6178015), (25, 1235603), (29, 1065175), (137, 225475), (145, 213035), (311, 99325), (685, 45095), (725, 42607), (1555, 19865), (3425, 9019), (3973, 7775)]