8578890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{479}}^1$

素因数の和:691

約数の個数: 48

約数和(自身を含む): 22464000

約数和(自身を除く): 13885110

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 199, 398, 479, 597, 958, 995, 1194, 1437, 1791, 1990, 2395, 2874, 2985, 3582, 4311, 4790, 5970, 7185, 8622, 8955, 14370, 17910, 21555, 43110, 95321, 190642, 285963, 476605, 571926, 857889, 953210, 1429815, 1715778, 2859630, 4289445, 8578890]

約数ペア:

[(1, 8578890), (2, 4289445), (3, 2859630), (5, 1715778), (6, 1429815), (9, 953210), (10, 857889), (15, 571926), (18, 476605), (30, 285963), (45, 190642), (90, 95321), (199, 43110), (398, 21555), (479, 17910), (597, 14370), (958, 8955), (995, 8622), (1194, 7185), (1437, 5970), (1791, 4790), (1990, 4311), (2395, 3582), (2874, 2985)]