5151340

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 11642400

約数和(自身を除く): 6491060

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 109, 139, 170, 218, 278, 340, 436, 545, 556, 695, 1090, 1390, 1853, 2180, 2363, 2780, 3706, 4726, 7412, 9265, 9452, 11815, 15151, 18530, 23630, 30302, 37060, 47260, 60604, 75755, 151510, 257567, 303020, 515134, 1030268, 1287835, 2575670, 5151340]

約数ペア:

[(1, 5151340), (2, 2575670), (4, 1287835), (5, 1030268), (10, 515134), (17, 303020), (20, 257567), (34, 151510), (68, 75755), (85, 60604), (109, 47260), (139, 37060), (170, 30302), (218, 23630), (278, 18530), (340, 15151), (436, 11815), (545, 9452), (556, 9265), (695, 7412), (1090, 4726), (1390, 3706), (1853, 2780), (2180, 2363)]