199190000

素因数分解:

$2^4\times 5^4\times {\mathrm{19919}}^1$

素因数の和:19947

約数の個数: 50

約数和(自身を含む): 482283120

約数和(自身を除く): 283093120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 5000, 10000, 19919, 39838, 79676, 99595, 159352, 199190, 318704, 398380, 497975, 796760, 995950, 1593520, 1991900, 2489875, 3983800, 4979750, 7967600, 9959500, 12449375, 19919000, 24898750, 39838000, 49797500, 99595000, 199190000]

約数ペア:

[(1, 199190000), (2, 99595000), (4, 49797500), (5, 39838000), (8, 24898750), (10, 19919000), (16, 12449375), (20, 9959500), (25, 7967600), (40, 4979750), (50, 3983800), (80, 2489875), (100, 1991900), (125, 1593520), (200, 995950), (250, 796760), (400, 497975), (500, 398380), (625, 318704), (1000, 199190), (1250, 159352), (2000, 99595), (2500, 79676), (5000, 39838), (10000, 19919)]