19195000

素因数分解:

$2^3\times 5^4\times {\mathrm{11}}^1\times {\mathrm{349}}^1$

素因数の和:386

約数の個数: 80

約数和(自身を含む): 49203000

約数和(自身を除く): 30008000

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 125, 200, 220, 250, 275, 349, 440, 500, 550, 625, 698, 1000, 1100, 1250, 1375, 1396, 1745, 2200, 2500, 2750, 2792, 3490, 3839, 5000, 5500, 6875, 6980, 7678, 8725, 11000, 13750, 13960, 15356, 17450, 19195, 27500, 30712, 34900, 38390, 43625, 55000, 69800, 76780, 87250, 95975, 153560, 174500, 191950, 218125, 349000, 383900, 436250, 479875, 767800, 872500, 959750, 1745000, 1919500, 2399375, 3839000, 4798750, 9597500, 19195000]

約数ペア:

[(1, 19195000), (2, 9597500), (4, 4798750), (5, 3839000), (8, 2399375), (10, 1919500), (11, 1745000), (20, 959750), (22, 872500), (25, 767800), (40, 479875), (44, 436250), (50, 383900), (55, 349000), (88, 218125), (100, 191950), (110, 174500), (125, 153560), (200, 95975), (220, 87250), (250, 76780), (275, 69800), (349, 55000), (440, 43625), (500, 38390), (550, 34900), (625, 30712), (698, 27500), (1000, 19195), (1100, 17450), (1250, 15356), (1375, 13960), (1396, 13750), (1745, 11000), (2200, 8725), (2500, 7678), (2750, 6980), (2792, 6875), (3490, 5500), (3839, 5000)]