2019950780

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{726601}}^1$

素因数の和:726749

約数の個数: 24

約数和(自身を含む): 4272419760

約数和(自身を除く): 2252468980

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 726601, 1453202, 2906404, 3633005, 7266010, 14532020, 100997539, 201995078, 403990156, 504987695, 1009975390, 2019950780]

約数ペア:

[(1, 2019950780), (2, 1009975390), (4, 504987695), (5, 403990156), (10, 201995078), (20, 100997539), (139, 14532020), (278, 7266010), (556, 3633005), (695, 2906404), (1390, 1453202), (2780, 726601)]