208567520

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{719}}^1$

素因数の和:785

約数の個数: 144

約数和(自身を含む): 589498560

約数和(自身を除く): 380931040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 37, 40, 49, 56, 70, 74, 80, 98, 112, 140, 148, 160, 185, 196, 224, 245, 259, 280, 296, 370, 392, 490, 518, 560, 592, 719, 740, 784, 980, 1036, 1120, 1184, 1295, 1438, 1480, 1568, 1813, 1960, 2072, 2590, 2876, 2960, 3595, 3626, 3920, 4144, 5033, 5180, 5752, 5920, 7190, 7252, 7840, 8288, 9065, 10066, 10360, 11504, 14380, 14504, 18130, 20132, 20720, 23008, 25165, 26603, 28760, 29008, 35231, 36260, 40264, 41440, 50330, 53206, 57520, 58016, 70462, 72520, 80528, 100660, 106412, 115040, 133015, 140924, 145040, 161056, 176155, 186221, 201320, 212824, 266030, 281848, 290080, 352310, 372442, 402640, 425648, 532060, 563696, 704620, 744884, 805280, 851296, 931105, 1064120, 1127392, 1303547, 1409240, 1489768, 1862210, 2128240, 2607094, 2818480, 2979536, 3724420, 4256480, 5214188, 5636960, 5959072, 6517735, 7448840, 10428376, 13035470, 14897680, 20856752, 26070940, 29795360, 41713504, 52141880, 104283760, 208567520]

約数ペア:

[(1, 208567520), (2, 104283760), (4, 52141880), (5, 41713504), (7, 29795360), (8, 26070940), (10, 20856752), (14, 14897680), (16, 13035470), (20, 10428376), (28, 7448840), (32, 6517735), (35, 5959072), (37, 5636960), (40, 5214188), (49, 4256480), (56, 3724420), (70, 2979536), (74, 2818480), (80, 2607094), (98, 2128240), (112, 1862210), (140, 1489768), (148, 1409240), (160, 1303547), (185, 1127392), (196, 1064120), (224, 931105), (245, 851296), (259, 805280), (280, 744884), (296, 704620), (370, 563696), (392, 532060), (490, 425648), (518, 402640), (560, 372442), (592, 352310), (719, 290080), (740, 281848), (784, 266030), (980, 212824), (1036, 201320), (1120, 186221), (1184, 176155), (1295, 161056), (1438, 145040), (1480, 140924), (1568, 133015), (1813, 115040), (1960, 106412), (2072, 100660), (2590, 80528), (2876, 72520), (2960, 70462), (3595, 58016), (3626, 57520), (3920, 53206), (4144, 50330), (5033, 41440), (5180, 40264), (5752, 36260), (5920, 35231), (7190, 29008), (7252, 28760), (7840, 26603), (8288, 25165), (9065, 23008), (10066, 20720), (10360, 20132), (11504, 18130), (14380, 14504)]