2142725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{347}}^1$

素因数の和:389

約数の個数: 24

約数和(自身を含む): 3020640

約数和(自身を除く): 877915

約数列:

[1, 5, 13, 19, 25, 65, 95, 247, 325, 347, 475, 1235, 1735, 4511, 6175, 6593, 8675, 22555, 32965, 85709, 112775, 164825, 428545, 2142725]

約数ペア:

[(1, 2142725), (5, 428545), (13, 164825), (19, 112775), (25, 85709), (65, 32965), (95, 22555), (247, 8675), (325, 6593), (347, 6175), (475, 4511), (1235, 1735)]