123790075

素因数分解:

$5^2\times {\mathrm{127}}^2\times {\mathrm{307}}^1$

素因数の和:571

約数の個数: 18

約数和(自身を含む): 155221836

約数和(自身を除く): 31431761

約数列:

[1, 5, 25, 127, 307, 635, 1535, 3175, 7675, 16129, 38989, 80645, 194945, 403225, 974725, 4951603, 24758015, 123790075]

約数ペア:

[(1, 123790075), (5, 24758015), (25, 4951603), (127, 974725), (307, 403225), (635, 194945), (1535, 80645), (3175, 38989), (7675, 16129)]