2090875

素因数分解:

$5^3\times {\mathrm{43}}^1\times {\mathrm{389}}^1$

素因数の和:447

約数の個数: 16

約数和(自身を含む): 2676960

約数和(自身を除く): 586085

約数列:

[1, 5, 25, 43, 125, 215, 389, 1075, 1945, 5375, 9725, 16727, 48625, 83635, 418175, 2090875]

約数ペア:

[(1, 2090875), (5, 418175), (25, 83635), (43, 48625), (125, 16727), (215, 9725), (389, 5375), (1075, 1945)]