204816145

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1\times {\mathrm{3089}}^1$

素因数の和:3332

約数の個数: 16

約数和(自身を含む): 250290000

約数和(自身を除く): 45473855

約数列:

[1, 5, 89, 149, 445, 745, 3089, 13261, 15445, 66305, 274921, 460261, 1374605, 2301305, 40963229, 204816145]

約数ペア:

[(1, 204816145), (5, 40963229), (89, 2301305), (149, 1374605), (445, 460261), (745, 274921), (3089, 66305), (13261, 15445)]