91778800

素因数分解:

$2^4\times 5^2\times {\mathrm{199}}^1\times {\mathrm{1153}}^1$

素因数の和:1370

約数の個数: 60

約数和(自身を含む): 221798800

約数和(自身を除く): 130020000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 199, 200, 398, 400, 796, 995, 1153, 1592, 1990, 2306, 3184, 3980, 4612, 4975, 5765, 7960, 9224, 9950, 11530, 15920, 18448, 19900, 23060, 28825, 39800, 46120, 57650, 79600, 92240, 115300, 229447, 230600, 458894, 461200, 917788, 1147235, 1835576, 2294470, 3671152, 4588940, 5736175, 9177880, 11472350, 18355760, 22944700, 45889400, 91778800]

約数ペア:

[(1, 91778800), (2, 45889400), (4, 22944700), (5, 18355760), (8, 11472350), (10, 9177880), (16, 5736175), (20, 4588940), (25, 3671152), (40, 2294470), (50, 1835576), (80, 1147235), (100, 917788), (199, 461200), (200, 458894), (398, 230600), (400, 229447), (796, 115300), (995, 92240), (1153, 79600), (1592, 57650), (1990, 46120), (2306, 39800), (3184, 28825), (3980, 23060), (4612, 19900), (4975, 18448), (5765, 15920), (7960, 11530), (9224, 9950)]