28630000

素因数分解:

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

素因数の和:444

約数の個数: 100

約数和(自身を含む): 79412080

約数和(自身を除く): 50782080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 175, 200, 250, 280, 350, 400, 409, 500, 560, 625, 700, 818, 875, 1000, 1250, 1400, 1636, 1750, 2000, 2045, 2500, 2800, 2863, 3272, 3500, 4090, 4375, 5000, 5726, 6544, 7000, 8180, 8750, 10000, 10225, 11452, 14000, 14315, 16360, 17500, 20450, 22904, 28630, 32720, 35000, 40900, 45808, 51125, 57260, 70000, 71575, 81800, 102250, 114520, 143150, 163600, 204500, 229040, 255625, 286300, 357875, 409000, 511250, 572600, 715750, 818000, 1022500, 1145200, 1431500, 1789375, 2045000, 2863000, 3578750, 4090000, 5726000, 7157500, 14315000, 28630000]

約数ペア:

[(1, 28630000), (2, 14315000), (4, 7157500), (5, 5726000), (7, 4090000), (8, 3578750), (10, 2863000), (14, 2045000), (16, 1789375), (20, 1431500), (25, 1145200), (28, 1022500), (35, 818000), (40, 715750), (50, 572600), (56, 511250), (70, 409000), (80, 357875), (100, 286300), (112, 255625), (125, 229040), (140, 204500), (175, 163600), (200, 143150), (250, 114520), (280, 102250), (350, 81800), (400, 71575), (409, 70000), (500, 57260), (560, 51125), (625, 45808), (700, 40900), (818, 35000), (875, 32720), (1000, 28630), (1250, 22904), (1400, 20450), (1636, 17500), (1750, 16360), (2000, 14315), (2045, 14000), (2500, 11452), (2800, 10225), (2863, 10000), (3272, 8750), (3500, 8180), (4090, 7000), (4375, 6544), (5000, 5726)]