12439490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 27648000

約数和(自身を除く): 15208510

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 47, 70, 94, 95, 133, 190, 199, 235, 266, 329, 398, 470, 658, 665, 893, 995, 1330, 1393, 1645, 1786, 1990, 2786, 3290, 3781, 4465, 6251, 6965, 7562, 8930, 9353, 12502, 13930, 18706, 18905, 26467, 31255, 37810, 46765, 52934, 62510, 65471, 93530, 130942, 132335, 177707, 264670, 327355, 355414, 654710, 888535, 1243949, 1777070, 2487898, 6219745, 12439490]

約数ペア:

[(1, 12439490), (2, 6219745), (5, 2487898), (7, 1777070), (10, 1243949), (14, 888535), (19, 654710), (35, 355414), (38, 327355), (47, 264670), (70, 177707), (94, 132335), (95, 130942), (133, 93530), (190, 65471), (199, 62510), (235, 52934), (266, 46765), (329, 37810), (398, 31255), (470, 26467), (658, 18905), (665, 18706), (893, 13930), (995, 12502), (1330, 9353), (1393, 8930), (1645, 7562), (1786, 6965), (1990, 6251), (2786, 4465), (3290, 3781)]