3040000

素因数分解:

$2^8\times 5^4\times {\mathrm{19}}^1$

素因数の和:55

約数の個数: 90

約数和(自身を含む): 7981820

約数和(自身を除く): 4941820

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 95, 100, 125, 128, 152, 160, 190, 200, 250, 256, 304, 320, 380, 400, 475, 500, 608, 625, 640, 760, 800, 950, 1000, 1216, 1250, 1280, 1520, 1600, 1900, 2000, 2375, 2432, 2500, 3040, 3200, 3800, 4000, 4750, 4864, 5000, 6080, 6400, 7600, 8000, 9500, 10000, 11875, 12160, 15200, 16000, 19000, 20000, 23750, 24320, 30400, 32000, 38000, 40000, 47500, 60800, 76000, 80000, 95000, 121600, 152000, 160000, 190000, 304000, 380000, 608000, 760000, 1520000, 3040000]

約数ペア:

[(1, 3040000), (2, 1520000), (4, 760000), (5, 608000), (8, 380000), (10, 304000), (16, 190000), (19, 160000), (20, 152000), (25, 121600), (32, 95000), (38, 80000), (40, 76000), (50, 60800), (64, 47500), (76, 40000), (80, 38000), (95, 32000), (100, 30400), (125, 24320), (128, 23750), (152, 20000), (160, 19000), (190, 16000), (200, 15200), (250, 12160), (256, 11875), (304, 10000), (320, 9500), (380, 8000), (400, 7600), (475, 6400), (500, 6080), (608, 5000), (625, 4864), (640, 4750), (760, 4000), (800, 3800), (950, 3200), (1000, 3040), (1216, 2500), (1250, 2432), (1280, 2375), (1520, 2000), (1600, 1900)]