438895900

素因数分解:

$2^2\times 5^2\times {\mathrm{97}}^1\times {\mathrm{45247}}^1$

素因数の和:45358

約数の個数: 36

約数和(自身を含む): 962243968

約数和(自身を除く): 523348068

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 97, 100, 194, 388, 485, 970, 1940, 2425, 4850, 9700, 45247, 90494, 180988, 226235, 452470, 904940, 1131175, 2262350, 4388959, 4524700, 8777918, 17555836, 21944795, 43889590, 87779180, 109723975, 219447950, 438895900]

約数ペア:

[(1, 438895900), (2, 219447950), (4, 109723975), (5, 87779180), (10, 43889590), (20, 21944795), (25, 17555836), (50, 8777918), (97, 4524700), (100, 4388959), (194, 2262350), (388, 1131175), (485, 904940), (970, 452470), (1940, 226235), (2425, 180988), (4850, 90494), (9700, 45247)]