289796860

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{198491}}^1$

素因数の和:198573

約数の個数: 24

約数和(自身を含む): 616913136

約数和(自身を除く): 327116276

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 198491, 396982, 793964, 992455, 1984910, 3969820, 14489843, 28979686, 57959372, 72449215, 144898430, 289796860]

約数ペア:

[(1, 289796860), (2, 144898430), (4, 72449215), (5, 57959372), (10, 28979686), (20, 14489843), (73, 3969820), (146, 1984910), (292, 992455), (365, 793964), (730, 396982), (1460, 198491)]