2780820145

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{370529}}^1$

素因数の和:370632

約数の個数: 16

約数和(自身を含む): 3557088000

約数和(自身を除く): 776267855

約数列:

[1, 5, 19, 79, 95, 395, 1501, 7505, 370529, 1852645, 7040051, 29271791, 35200255, 146358955, 556164029, 2780820145]

約数ペア:

[(1, 2780820145), (5, 556164029), (19, 146358955), (79, 35200255), (95, 29271791), (395, 7040051), (1501, 1852645), (7505, 370529)]