2005489930

素因数分解:

$2^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{446657}}^1$

素因数の和:447113

約数の個数: 16

約数和(自身を含む): 3617929800

約数和(自身を除く): 1612439870

約数列:

[1, 2, 5, 10, 449, 898, 2245, 4490, 446657, 893314, 2233285, 4466570, 200548993, 401097986, 1002744965, 2005489930]

約数ペア:

[(1, 2005489930), (2, 1002744965), (5, 401097986), (10, 200548993), (449, 4466570), (898, 2233285), (2245, 893314), (4490, 446657)]