380000

素因数分解:

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

素因数の和:49

約数の個数: 60

約数和(自身を含む): 984060

約数和(自身を除く): 604060

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 76, 80, 95, 100, 125, 152, 160, 190, 200, 250, 304, 380, 400, 475, 500, 608, 625, 760, 800, 950, 1000, 1250, 1520, 1900, 2000, 2375, 2500, 3040, 3800, 4000, 4750, 5000, 7600, 9500, 10000, 11875, 15200, 19000, 20000, 23750, 38000, 47500, 76000, 95000, 190000, 380000]

約数ペア:

[(1, 380000), (2, 190000), (4, 95000), (5, 76000), (8, 47500), (10, 38000), (16, 23750), (19, 20000), (20, 19000), (25, 15200), (32, 11875), (38, 10000), (40, 9500), (50, 7600), (76, 5000), (80, 4750), (95, 4000), (100, 3800), (125, 3040), (152, 2500), (160, 2375), (190, 2000), (200, 1900), (250, 1520), (304, 1250), (380, 1000), (400, 950), (475, 800), (500, 760), (608, 625)]