1330000

素因数分解:

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

素因数の和:54

約数の個数: 100

約数和(自身を含む): 3873760

約数和(自身を除く): 2543760

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, 625, 665, 700, 760, 875, 950, 1000, 1064, 1250, 1330, 1400, 1520, 1750, 1900, 2000, 2128, 2375, 2500, 2660, 2800, 3325, 3500, 3800, 4375, 4750, 5000, 5320, 6650, 7000, 7600, 8750, 9500, 10000, 10640, 11875, 13300, 14000, 16625, 17500, 19000, 23750, 26600, 33250, 35000, 38000, 47500, 53200, 66500, 70000, 83125, 95000, 133000, 166250, 190000, 266000, 332500, 665000, 1330000]

約数ペア:

[(1, 1330000), (2, 665000), (4, 332500), (5, 266000), (7, 190000), (8, 166250), (10, 133000), (14, 95000), (16, 83125), (19, 70000), (20, 66500), (25, 53200), (28, 47500), (35, 38000), (38, 35000), (40, 33250), (50, 26600), (56, 23750), (70, 19000), (76, 17500), (80, 16625), (95, 14000), (100, 13300), (112, 11875), (125, 10640), (133, 10000), (140, 9500), (152, 8750), (175, 7600), (190, 7000), (200, 6650), (250, 5320), (266, 5000), (280, 4750), (304, 4375), (350, 3800), (380, 3500), (400, 3325), (475, 2800), (500, 2660), (532, 2500), (560, 2375), (625, 2128), (665, 2000), (700, 1900), (760, 1750), (875, 1520), (950, 1400), (1000, 1330), (1064, 1250)]