27639110

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{199}}^1$

素因数の和:285

約数の個数: 64

約数和(自身を含む): 57024000

約数和(自身を除く): 29384890

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 43, 85, 86, 95, 170, 190, 199, 215, 323, 398, 430, 646, 731, 817, 995, 1462, 1615, 1634, 1990, 3230, 3383, 3655, 3781, 4085, 6766, 7310, 7562, 8170, 8557, 13889, 16915, 17114, 18905, 27778, 33830, 37810, 42785, 64277, 69445, 85570, 128554, 138890, 145469, 162583, 290938, 321385, 325166, 642770, 727345, 812915, 1454690, 1625830, 2763911, 5527822, 13819555, 27639110]

約数ペア:

[(1, 27639110), (2, 13819555), (5, 5527822), (10, 2763911), (17, 1625830), (19, 1454690), (34, 812915), (38, 727345), (43, 642770), (85, 325166), (86, 321385), (95, 290938), (170, 162583), (190, 145469), (199, 138890), (215, 128554), (323, 85570), (398, 69445), (430, 64277), (646, 42785), (731, 37810), (817, 33830), (995, 27778), (1462, 18905), (1615, 17114), (1634, 16915), (1990, 13889), (3230, 8557), (3383, 8170), (3655, 7562), (3781, 7310), (4085, 6766)]