2128000

素因数分解:

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

素因数の和:55

約数の個数: 128

約数和(自身を含む): 6364800

約数和(自身を除く): 4236800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 25, 28, 32, 35, 38, 40, 50, 56, 64, 70, 76, 80, 95, 100, 112, 125, 128, 133, 140, 152, 160, 175, 190, 200, 224, 250, 266, 280, 304, 320, 350, 380, 400, 448, 475, 500, 532, 560, 608, 640, 665, 700, 760, 800, 875, 896, 950, 1000, 1064, 1120, 1216, 1330, 1400, 1520, 1600, 1750, 1900, 2000, 2128, 2240, 2375, 2432, 2660, 2800, 3040, 3200, 3325, 3500, 3800, 4000, 4256, 4480, 4750, 5320, 5600, 6080, 6650, 7000, 7600, 8000, 8512, 9500, 10640, 11200, 12160, 13300, 14000, 15200, 16000, 16625, 17024, 19000, 21280, 22400, 26600, 28000, 30400, 33250, 38000, 42560, 53200, 56000, 60800, 66500, 76000, 85120, 106400, 112000, 133000, 152000, 212800, 266000, 304000, 425600, 532000, 1064000, 2128000]

約数ペア:

[(1, 2128000), (2, 1064000), (4, 532000), (5, 425600), (7, 304000), (8, 266000), (10, 212800), (14, 152000), (16, 133000), (19, 112000), (20, 106400), (25, 85120), (28, 76000), (32, 66500), (35, 60800), (38, 56000), (40, 53200), (50, 42560), (56, 38000), (64, 33250), (70, 30400), (76, 28000), (80, 26600), (95, 22400), (100, 21280), (112, 19000), (125, 17024), (128, 16625), (133, 16000), (140, 15200), (152, 14000), (160, 13300), (175, 12160), (190, 11200), (200, 10640), (224, 9500), (250, 8512), (266, 8000), (280, 7600), (304, 7000), (320, 6650), (350, 6080), (380, 5600), (400, 5320), (448, 4750), (475, 4480), (500, 4256), (532, 4000), (560, 3800), (608, 3500), (640, 3325), (665, 3200), (700, 3040), (760, 2800), (800, 2660), (875, 2432), (896, 2375), (950, 2240), (1000, 2128), (1064, 2000), (1120, 1900), (1216, 1750), (1330, 1600), (1400, 1520)]