90998800

素因数分解:

$2^4\times 5^2\times {\mathrm{227497}}^1$

素因数の和:227515

約数の個数: 30

約数和(自身を含む): 218625578

約数和(自身を除く): 127626778

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 227497, 454994, 909988, 1137485, 1819976, 2274970, 3639952, 4549940, 5687425, 9099880, 11374850, 18199760, 22749700, 45499400, 90998800]

約数ペア:

[(1, 90998800), (2, 45499400), (4, 22749700), (5, 18199760), (8, 11374850), (10, 9099880), (16, 5687425), (20, 4549940), (25, 3639952), (40, 2274970), (50, 1819976), (80, 1137485), (100, 909988), (200, 454994), (400, 227497)]