214870000

素因数分解:

$2^4\times 5^4\times {\mathrm{21487}}^1$

素因数の和:21515

約数の個数: 50

約数和(自身を含む): 520245968

約数和(自身を除く): 305375968

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, 21487, 42974, 85948, 107435, 171896, 214870, 343792, 429740, 537175, 859480, 1074350, 1718960, 2148700, 2685875, 4297400, 5371750, 8594800, 10743500, 13429375, 21487000, 26858750, 42974000, 53717500, 107435000, 214870000]

約数ペア:

[(1, 214870000), (2, 107435000), (4, 53717500), (5, 42974000), (8, 26858750), (10, 21487000), (16, 13429375), (20, 10743500), (25, 8594800), (40, 5371750), (50, 4297400), (80, 2685875), (100, 2148700), (125, 1718960), (200, 1074350), (250, 859480), (400, 537175), (500, 429740), (625, 343792), (1000, 214870), (1250, 171896), (2000, 107435), (2500, 85948), (5000, 42974), (10000, 21487)]