225496780

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{25111}}^1$

素因数の和:25569

約数の個数: 24

約数和(自身を含む): 474616800

約数和(自身を除く): 249120020

約数列:

[1, 2, 4, 5, 10, 20, 449, 898, 1796, 2245, 4490, 8980, 25111, 50222, 100444, 125555, 251110, 502220, 11274839, 22549678, 45099356, 56374195, 112748390, 225496780]

約数ペア:

[(1, 225496780), (2, 112748390), (4, 56374195), (5, 45099356), (10, 22549678), (20, 11274839), (449, 502220), (898, 251110), (1796, 125555), (2245, 100444), (4490, 50222), (8980, 25111)]