17165740

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{227}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 38304000

約数和(自身を除く): 21138260

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 199, 227, 380, 398, 454, 796, 908, 995, 1135, 1990, 2270, 3781, 3980, 4313, 4540, 7562, 8626, 15124, 17252, 18905, 21565, 37810, 43130, 45173, 75620, 86260, 90346, 180692, 225865, 451730, 858287, 903460, 1716574, 3433148, 4291435, 8582870, 17165740]

約数ペア:

[(1, 17165740), (2, 8582870), (4, 4291435), (5, 3433148), (10, 1716574), (19, 903460), (20, 858287), (38, 451730), (76, 225865), (95, 180692), (190, 90346), (199, 86260), (227, 75620), (380, 45173), (398, 43130), (454, 37810), (796, 21565), (908, 18905), (995, 17252), (1135, 15124), (1990, 8626), (2270, 7562), (3781, 4540), (3980, 4313)]