210485000

素因数分解:

$2^3\times 5^4\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:169

約数の個数: 160

約数和(自身を含む): 556696800

約数和(自身を除く): 346211800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 43, 44, 50, 55, 86, 88, 89, 100, 110, 125, 172, 178, 200, 215, 220, 250, 275, 344, 356, 430, 440, 445, 473, 500, 550, 625, 712, 860, 890, 946, 979, 1000, 1075, 1100, 1250, 1375, 1720, 1780, 1892, 1958, 2150, 2200, 2225, 2365, 2500, 2750, 3560, 3784, 3827, 3916, 4300, 4450, 4730, 4895, 5000, 5375, 5500, 6875, 7654, 7832, 8600, 8900, 9460, 9790, 10750, 11000, 11125, 11825, 13750, 15308, 17800, 18920, 19135, 19580, 21500, 22250, 23650, 24475, 26875, 27500, 30616, 38270, 39160, 42097, 43000, 44500, 47300, 48950, 53750, 55000, 55625, 59125, 76540, 84194, 89000, 94600, 95675, 97900, 107500, 111250, 118250, 122375, 153080, 168388, 191350, 195800, 210485, 215000, 222500, 236500, 244750, 295625, 336776, 382700, 420970, 445000, 473000, 478375, 489500, 591250, 611875, 765400, 841940, 956750, 979000, 1052425, 1182500, 1223750, 1683880, 1913500, 2104850, 2365000, 2391875, 2447500, 3827000, 4209700, 4783750, 4895000, 5262125, 8419400, 9567500, 10524250, 19135000, 21048500, 26310625, 42097000, 52621250, 105242500, 210485000]

約数ペア:

[(1, 210485000), (2, 105242500), (4, 52621250), (5, 42097000), (8, 26310625), (10, 21048500), (11, 19135000), (20, 10524250), (22, 9567500), (25, 8419400), (40, 5262125), (43, 4895000), (44, 4783750), (50, 4209700), (55, 3827000), (86, 2447500), (88, 2391875), (89, 2365000), (100, 2104850), (110, 1913500), (125, 1683880), (172, 1223750), (178, 1182500), (200, 1052425), (215, 979000), (220, 956750), (250, 841940), (275, 765400), (344, 611875), (356, 591250), (430, 489500), (440, 478375), (445, 473000), (473, 445000), (500, 420970), (550, 382700), (625, 336776), (712, 295625), (860, 244750), (890, 236500), (946, 222500), (979, 215000), (1000, 210485), (1075, 195800), (1100, 191350), (1250, 168388), (1375, 153080), (1720, 122375), (1780, 118250), (1892, 111250), (1958, 107500), (2150, 97900), (2200, 95675), (2225, 94600), (2365, 89000), (2500, 84194), (2750, 76540), (3560, 59125), (3784, 55625), (3827, 55000), (3916, 53750), (4300, 48950), (4450, 47300), (4730, 44500), (4895, 43000), (5000, 42097), (5375, 39160), (5500, 38270), (6875, 30616), (7654, 27500), (7832, 26875), (8600, 24475), (8900, 23650), (9460, 22250), (9790, 21500), (10750, 19580), (11000, 19135), (11125, 18920), (11825, 17800), (13750, 15308)]