27779560

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:298

約数の個数: 64

約数和(自身を含む): 64800000

約数和(自身を除く): 37020440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 79, 118, 149, 158, 236, 295, 298, 316, 395, 472, 590, 596, 632, 745, 790, 1180, 1192, 1490, 1580, 2360, 2980, 3160, 4661, 5960, 8791, 9322, 11771, 17582, 18644, 23305, 23542, 35164, 37288, 43955, 46610, 47084, 58855, 70328, 87910, 93220, 94168, 117710, 175820, 186440, 235420, 351640, 470840, 694489, 1388978, 2777956, 3472445, 5555912, 6944890, 13889780, 27779560]

約数ペア:

[(1, 27779560), (2, 13889780), (4, 6944890), (5, 5555912), (8, 3472445), (10, 2777956), (20, 1388978), (40, 694489), (59, 470840), (79, 351640), (118, 235420), (149, 186440), (158, 175820), (236, 117710), (295, 94168), (298, 93220), (316, 87910), (395, 70328), (472, 58855), (590, 47084), (596, 46610), (632, 43955), (745, 37288), (790, 35164), (1180, 23542), (1192, 23305), (1490, 18644), (1580, 17582), (2360, 11771), (2980, 9322), (3160, 8791), (4661, 5960)]