138432880

素因数分解:

$2^4\times 5^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:422

約数の個数: 80

約数和(自身を含む): 331228800

約数和(自身を除く): 192795920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 59, 80, 118, 139, 211, 236, 278, 295, 422, 472, 556, 590, 695, 844, 944, 1055, 1112, 1180, 1390, 1688, 2110, 2224, 2360, 2780, 3376, 4220, 4720, 5560, 8201, 8440, 11120, 12449, 16402, 16880, 24898, 29329, 32804, 41005, 49796, 58658, 62245, 65608, 82010, 99592, 117316, 124490, 131216, 146645, 164020, 199184, 234632, 248980, 293290, 328040, 469264, 497960, 586580, 656080, 995920, 1173160, 1730411, 2346320, 3460822, 6921644, 8652055, 13843288, 17304110, 27686576, 34608220, 69216440, 138432880]

約数ペア:

[(1, 138432880), (2, 69216440), (4, 34608220), (5, 27686576), (8, 17304110), (10, 13843288), (16, 8652055), (20, 6921644), (40, 3460822), (59, 2346320), (80, 1730411), (118, 1173160), (139, 995920), (211, 656080), (236, 586580), (278, 497960), (295, 469264), (422, 328040), (472, 293290), (556, 248980), (590, 234632), (695, 199184), (844, 164020), (944, 146645), (1055, 131216), (1112, 124490), (1180, 117316), (1390, 99592), (1688, 82010), (2110, 65608), (2224, 62245), (2360, 58658), (2780, 49796), (3376, 41005), (4220, 32804), (4720, 29329), (5560, 24898), (8201, 16880), (8440, 16402), (11120, 12449)]