2820125

素因数分解:

$5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{293}}^1$

素因数の和:326

約数の個数: 32

約数和(自身を含む): 4402944

約数和(自身を除く): 1582819

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 125, 175, 275, 293, 385, 875, 1375, 1465, 1925, 2051, 3223, 7325, 9625, 10255, 16115, 22561, 36625, 51275, 80575, 112805, 256375, 402875, 564025, 2820125]

約数ペア:

[(1, 2820125), (5, 564025), (7, 402875), (11, 256375), (25, 112805), (35, 80575), (55, 51275), (77, 36625), (125, 22561), (175, 16115), (275, 10255), (293, 9625), (385, 7325), (875, 3223), (1375, 2051), (1465, 1925)]