214900000

素因数分解:

$2^5\times 5^5\times 7^1\times {\mathrm{307}}^1$

素因数の和:349

約数の個数: 144

約数和(自身を含む): 606336192

約数和(自身を除く): 391436192

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 160, 175, 200, 224, 250, 280, 307, 350, 400, 500, 560, 614, 625, 700, 800, 875, 1000, 1120, 1228, 1250, 1400, 1535, 1750, 2000, 2149, 2456, 2500, 2800, 3070, 3125, 3500, 4000, 4298, 4375, 4912, 5000, 5600, 6140, 6250, 7000, 7675, 8596, 8750, 9824, 10000, 10745, 12280, 12500, 14000, 15350, 17192, 17500, 20000, 21490, 21875, 24560, 25000, 28000, 30700, 34384, 35000, 38375, 42980, 43750, 49120, 50000, 53725, 61400, 68768, 70000, 76750, 85960, 87500, 100000, 107450, 122800, 140000, 153500, 171920, 175000, 191875, 214900, 245600, 268625, 307000, 343840, 350000, 383750, 429800, 537250, 614000, 700000, 767500, 859600, 959375, 1074500, 1228000, 1343125, 1535000, 1719200, 1918750, 2149000, 2686250, 3070000, 3837500, 4298000, 5372500, 6140000, 6715625, 7675000, 8596000, 10745000, 13431250, 15350000, 21490000, 26862500, 30700000, 42980000, 53725000, 107450000, 214900000]

約数ペア:

[(1, 214900000), (2, 107450000), (4, 53725000), (5, 42980000), (7, 30700000), (8, 26862500), (10, 21490000), (14, 15350000), (16, 13431250), (20, 10745000), (25, 8596000), (28, 7675000), (32, 6715625), (35, 6140000), (40, 5372500), (50, 4298000), (56, 3837500), (70, 3070000), (80, 2686250), (100, 2149000), (112, 1918750), (125, 1719200), (140, 1535000), (160, 1343125), (175, 1228000), (200, 1074500), (224, 959375), (250, 859600), (280, 767500), (307, 700000), (350, 614000), (400, 537250), (500, 429800), (560, 383750), (614, 350000), (625, 343840), (700, 307000), (800, 268625), (875, 245600), (1000, 214900), (1120, 191875), (1228, 175000), (1250, 171920), (1400, 153500), (1535, 140000), (1750, 122800), (2000, 107450), (2149, 100000), (2456, 87500), (2500, 85960), (2800, 76750), (3070, 70000), (3125, 68768), (3500, 61400), (4000, 53725), (4298, 50000), (4375, 49120), (4912, 43750), (5000, 42980), (5600, 38375), (6140, 35000), (6250, 34384), (7000, 30700), (7675, 28000), (8596, 25000), (8750, 24560), (9824, 21875), (10000, 21490), (10745, 20000), (12280, 17500), (12500, 17192), (14000, 15350)]