129778060

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{91393}}^1$

素因数の和:91473

約数の個数: 24

約数和(自身を含む): 276375456

約数和(自身を除く): 146597396

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 91393, 182786, 365572, 456965, 913930, 1827860, 6488903, 12977806, 25955612, 32444515, 64889030, 129778060]

約数ペア:

[(1, 129778060), (2, 64889030), (4, 32444515), (5, 25955612), (10, 12977806), (20, 6488903), (71, 1827860), (142, 913930), (284, 456965), (355, 365572), (710, 182786), (1420, 91393)]