200410000

素因数分解:

$2^4\times 5^4\times 7^2\times {\mathrm{409}}^1$

素因数の和:451

約数の個数: 150

約数和(自身を含む): 565811070

約数和(自身を除く): 365401070

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 125, 140, 175, 196, 200, 245, 250, 280, 350, 392, 400, 409, 490, 500, 560, 625, 700, 784, 818, 875, 980, 1000, 1225, 1250, 1400, 1636, 1750, 1960, 2000, 2045, 2450, 2500, 2800, 2863, 3272, 3500, 3920, 4090, 4375, 4900, 5000, 5726, 6125, 6544, 7000, 8180, 8750, 9800, 10000, 10225, 11452, 12250, 14000, 14315, 16360, 17500, 19600, 20041, 20450, 22904, 24500, 28630, 30625, 32720, 35000, 40082, 40900, 45808, 49000, 51125, 57260, 61250, 70000, 71575, 80164, 81800, 98000, 100205, 102250, 114520, 122500, 143150, 160328, 163600, 200410, 204500, 229040, 245000, 255625, 286300, 320656, 357875, 400820, 409000, 490000, 501025, 511250, 572600, 715750, 801640, 818000, 1002050, 1022500, 1145200, 1431500, 1603280, 1789375, 2004100, 2045000, 2505125, 2863000, 3578750, 4008200, 4090000, 5010250, 5726000, 7157500, 8016400, 10020500, 12525625, 14315000, 20041000, 25051250, 28630000, 40082000, 50102500, 100205000, 200410000]

約数ペア:

[(1, 200410000), (2, 100205000), (4, 50102500), (5, 40082000), (7, 28630000), (8, 25051250), (10, 20041000), (14, 14315000), (16, 12525625), (20, 10020500), (25, 8016400), (28, 7157500), (35, 5726000), (40, 5010250), (49, 4090000), (50, 4008200), (56, 3578750), (70, 2863000), (80, 2505125), (98, 2045000), (100, 2004100), (112, 1789375), (125, 1603280), (140, 1431500), (175, 1145200), (196, 1022500), (200, 1002050), (245, 818000), (250, 801640), (280, 715750), (350, 572600), (392, 511250), (400, 501025), (409, 490000), (490, 409000), (500, 400820), (560, 357875), (625, 320656), (700, 286300), (784, 255625), (818, 245000), (875, 229040), (980, 204500), (1000, 200410), (1225, 163600), (1250, 160328), (1400, 143150), (1636, 122500), (1750, 114520), (1960, 102250), (2000, 100205), (2045, 98000), (2450, 81800), (2500, 80164), (2800, 71575), (2863, 70000), (3272, 61250), (3500, 57260), (3920, 51125), (4090, 49000), (4375, 45808), (4900, 40900), (5000, 40082), (5726, 35000), (6125, 32720), (6544, 30625), (7000, 28630), (8180, 24500), (8750, 22904), (9800, 20450), (10000, 20041), (10225, 19600), (11452, 17500), (12250, 16360), (14000, 14315)]