3983950

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:181

約数の個数: 48

約数和(自身を含む): 8102160

約数和(自身を除く): 4118210

約数列:

[1, 2, 5, 10, 17, 25, 34, 43, 50, 85, 86, 109, 170, 215, 218, 425, 430, 545, 731, 850, 1075, 1090, 1462, 1853, 2150, 2725, 3655, 3706, 4687, 5450, 7310, 9265, 9374, 18275, 18530, 23435, 36550, 46325, 46870, 79679, 92650, 117175, 159358, 234350, 398395, 796790, 1991975, 3983950]

約数ペア:

[(1, 3983950), (2, 1991975), (5, 796790), (10, 398395), (17, 234350), (25, 159358), (34, 117175), (43, 92650), (50, 79679), (85, 46870), (86, 46325), (109, 36550), (170, 23435), (215, 18530), (218, 18275), (425, 9374), (430, 9265), (545, 7310), (731, 5450), (850, 4687), (1075, 3706), (1090, 3655), (1462, 2725), (1853, 2150)]