201722000

素因数分解:

$2^4\times 5^3\times {\mathrm{17}}^2\times {\mathrm{349}}^1$

素因数の和:406

約数の個数: 120

約数和(自身を含む): 519628200

約数和(自身を除く): 317906200

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 125, 136, 170, 200, 250, 272, 289, 340, 349, 400, 425, 500, 578, 680, 698, 850, 1000, 1156, 1360, 1396, 1445, 1700, 1745, 2000, 2125, 2312, 2792, 2890, 3400, 3490, 4250, 4624, 5584, 5780, 5933, 6800, 6980, 7225, 8500, 8725, 11560, 11866, 13960, 14450, 17000, 17450, 23120, 23732, 27920, 28900, 29665, 34000, 34900, 36125, 43625, 47464, 57800, 59330, 69800, 72250, 87250, 94928, 100861, 115600, 118660, 139600, 144500, 148325, 174500, 201722, 237320, 289000, 296650, 349000, 403444, 474640, 504305, 578000, 593300, 698000, 741625, 806888, 1008610, 1186600, 1483250, 1613776, 2017220, 2373200, 2521525, 2966500, 4034440, 5043050, 5933000, 8068880, 10086100, 11866000, 12607625, 20172200, 25215250, 40344400, 50430500, 100861000, 201722000]

約数ペア:

[(1, 201722000), (2, 100861000), (4, 50430500), (5, 40344400), (8, 25215250), (10, 20172200), (16, 12607625), (17, 11866000), (20, 10086100), (25, 8068880), (34, 5933000), (40, 5043050), (50, 4034440), (68, 2966500), (80, 2521525), (85, 2373200), (100, 2017220), (125, 1613776), (136, 1483250), (170, 1186600), (200, 1008610), (250, 806888), (272, 741625), (289, 698000), (340, 593300), (349, 578000), (400, 504305), (425, 474640), (500, 403444), (578, 349000), (680, 296650), (698, 289000), (850, 237320), (1000, 201722), (1156, 174500), (1360, 148325), (1396, 144500), (1445, 139600), (1700, 118660), (1745, 115600), (2000, 100861), (2125, 94928), (2312, 87250), (2792, 72250), (2890, 69800), (3400, 59330), (3490, 57800), (4250, 47464), (4624, 43625), (5584, 36125), (5780, 34900), (5933, 34000), (6800, 29665), (6980, 28900), (7225, 27920), (8500, 23732), (8725, 23120), (11560, 17450), (11866, 17000), (13960, 14450)]