38390000

素因数分解:

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

素因数の和:388

約数の個数: 100

約数和(自身を含む): 101686200

約数和(自身を除く): 63296200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 40, 44, 50, 55, 80, 88, 100, 110, 125, 176, 200, 220, 250, 275, 349, 400, 440, 500, 550, 625, 698, 880, 1000, 1100, 1250, 1375, 1396, 1745, 2000, 2200, 2500, 2750, 2792, 3490, 3839, 4400, 5000, 5500, 5584, 6875, 6980, 7678, 8725, 10000, 11000, 13750, 13960, 15356, 17450, 19195, 22000, 27500, 27920, 30712, 34900, 38390, 43625, 55000, 61424, 69800, 76780, 87250, 95975, 110000, 139600, 153560, 174500, 191950, 218125, 307120, 349000, 383900, 436250, 479875, 698000, 767800, 872500, 959750, 1535600, 1745000, 1919500, 2399375, 3490000, 3839000, 4798750, 7678000, 9597500, 19195000, 38390000]

約数ペア:

[(1, 38390000), (2, 19195000), (4, 9597500), (5, 7678000), (8, 4798750), (10, 3839000), (11, 3490000), (16, 2399375), (20, 1919500), (22, 1745000), (25, 1535600), (40, 959750), (44, 872500), (50, 767800), (55, 698000), (80, 479875), (88, 436250), (100, 383900), (110, 349000), (125, 307120), (176, 218125), (200, 191950), (220, 174500), (250, 153560), (275, 139600), (349, 110000), (400, 95975), (440, 87250), (500, 76780), (550, 69800), (625, 61424), (698, 55000), (880, 43625), (1000, 38390), (1100, 34900), (1250, 30712), (1375, 27920), (1396, 27500), (1745, 22000), (2000, 19195), (2200, 17450), (2500, 15356), (2750, 13960), (2792, 13750), (3490, 11000), (3839, 10000), (4400, 8725), (5000, 7678), (5500, 6980), (5584, 6875)]