2130625

素因数分解:

$5^4\times 7^1\times {\mathrm{487}}^1$

素因数の和:514

約数の個数: 20

約数和(自身を含む): 3049024

約数和(自身を除く): 918399

約数列:

[1, 5, 7, 25, 35, 125, 175, 487, 625, 875, 2435, 3409, 4375, 12175, 17045, 60875, 85225, 304375, 426125, 2130625]

約数ペア:

[(1, 2130625), (5, 426125), (7, 304375), (25, 85225), (35, 60875), (125, 17045), (175, 12175), (487, 4375), (625, 3409), (875, 2435)]