2080404025

素因数分解:

$5^2\times 7^2\times {\mathrm{1698289}}^1$

素因数の和:1698313

約数の個数: 18

約数和(自身を含む): 3000878430

約数和(自身を除く): 920474405

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 1225, 1698289, 8491445, 11888023, 42457225, 59440115, 83216161, 297200575, 416080805, 2080404025]

約数ペア:

[(1, 2080404025), (5, 416080805), (7, 297200575), (25, 83216161), (35, 59440115), (49, 42457225), (175, 11888023), (245, 8491445), (1225, 1698289)]