266000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{19}}^1$

素因数の和:49

約数の個数: 80

約数和(自身を含む): 773760

約数和(自身を除く): 507760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 35, 38, 40, 50, 56, 70, 76, 80, 95, 100, 112, 125, 133, 140, 152, 175, 190, 200, 250, 266, 280, 304, 350, 380, 400, 475, 500, 532, 560, 665, 700, 760, 875, 950, 1000, 1064, 1330, 1400, 1520, 1750, 1900, 2000, 2128, 2375, 2660, 2800, 3325, 3500, 3800, 4750, 5320, 6650, 7000, 7600, 9500, 10640, 13300, 14000, 16625, 19000, 26600, 33250, 38000, 53200, 66500, 133000, 266000]

約数ペア:

[(1, 266000), (2, 133000), (4, 66500), (5, 53200), (7, 38000), (8, 33250), (10, 26600), (14, 19000), (16, 16625), (19, 14000), (20, 13300), (25, 10640), (28, 9500), (35, 7600), (38, 7000), (40, 6650), (50, 5320), (56, 4750), (70, 3800), (76, 3500), (80, 3325), (95, 2800), (100, 2660), (112, 2375), (125, 2128), (133, 2000), (140, 1900), (152, 1750), (175, 1520), (190, 1400), (200, 1330), (250, 1064), (266, 1000), (280, 950), (304, 875), (350, 760), (380, 700), (400, 665), (475, 560), (500, 532)]