30551275

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{499}}^1$

素因数の和:619

約数の個数: 24

約数和(自身を含む): 39680000

約数和(自身を除く): 9128725

約数列:

[1, 5, 25, 31, 79, 155, 395, 499, 775, 1975, 2449, 2495, 12245, 12475, 15469, 39421, 61225, 77345, 197105, 386725, 985525, 1222051, 6110255, 30551275]

約数ペア:

[(1, 30551275), (5, 6110255), (25, 1222051), (31, 985525), (79, 386725), (155, 197105), (395, 77345), (499, 61225), (775, 39421), (1975, 15469), (2449, 12475), (2495, 12245)]