391365400

素因数分解:

$2^3\times 5^2\times {\mathrm{193}}^1\times {\mathrm{10139}}^1$

素因数の和:10348

約数の個数: 48

約数和(自身を含む): 914729400

約数和(自身を除く): 523364000

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 193, 200, 386, 772, 965, 1544, 1930, 3860, 4825, 7720, 9650, 10139, 19300, 20278, 38600, 40556, 50695, 81112, 101390, 202780, 253475, 405560, 506950, 1013900, 1956827, 2027800, 3913654, 7827308, 9784135, 15654616, 19568270, 39136540, 48920675, 78273080, 97841350, 195682700, 391365400]

約数ペア:

[(1, 391365400), (2, 195682700), (4, 97841350), (5, 78273080), (8, 48920675), (10, 39136540), (20, 19568270), (25, 15654616), (40, 9784135), (50, 7827308), (100, 3913654), (193, 2027800), (200, 1956827), (386, 1013900), (772, 506950), (965, 405560), (1544, 253475), (1930, 202780), (3860, 101390), (4825, 81112), (7720, 50695), (9650, 40556), (10139, 38600), (19300, 20278)]