211831000

素因数分解:

$2^3\times 5^3\times {\mathrm{19}}^1\times {\mathrm{11149}}^1$

素因数の和:11189

約数の個数: 64

約数和(自身を含む): 521820000

約数和(自身を除く): 309989000

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 38, 40, 50, 76, 95, 100, 125, 152, 190, 200, 250, 380, 475, 500, 760, 950, 1000, 1900, 2375, 3800, 4750, 9500, 11149, 19000, 22298, 44596, 55745, 89192, 111490, 211831, 222980, 278725, 423662, 445960, 557450, 847324, 1059155, 1114900, 1393625, 1694648, 2118310, 2229800, 2787250, 4236620, 5295775, 5574500, 8473240, 10591550, 11149000, 21183100, 26478875, 42366200, 52957750, 105915500, 211831000]

約数ペア:

[(1, 211831000), (2, 105915500), (4, 52957750), (5, 42366200), (8, 26478875), (10, 21183100), (19, 11149000), (20, 10591550), (25, 8473240), (38, 5574500), (40, 5295775), (50, 4236620), (76, 2787250), (95, 2229800), (100, 2118310), (125, 1694648), (152, 1393625), (190, 1114900), (200, 1059155), (250, 847324), (380, 557450), (475, 445960), (500, 423662), (760, 278725), (950, 222980), (1000, 211831), (1900, 111490), (2375, 89192), (3800, 55745), (4750, 44596), (9500, 22298), (11149, 19000)]