38283280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{499}}^1$

素因数の和:656

約数の個数: 80

約数和(自身を含む): 102672000

約数和(自身を除く): 64388720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 137, 140, 274, 280, 499, 548, 560, 685, 959, 998, 1096, 1370, 1918, 1996, 2192, 2495, 2740, 3493, 3836, 3992, 4795, 4990, 5480, 6986, 7672, 7984, 9590, 9980, 10960, 13972, 15344, 17465, 19180, 19960, 27944, 34930, 38360, 39920, 55888, 68363, 69860, 76720, 136726, 139720, 273452, 279440, 341815, 478541, 546904, 683630, 957082, 1093808, 1367260, 1914164, 2392705, 2734520, 3828328, 4785410, 5469040, 7656656, 9570820, 19141640, 38283280]

約数ペア:

[(1, 38283280), (2, 19141640), (4, 9570820), (5, 7656656), (7, 5469040), (8, 4785410), (10, 3828328), (14, 2734520), (16, 2392705), (20, 1914164), (28, 1367260), (35, 1093808), (40, 957082), (56, 683630), (70, 546904), (80, 478541), (112, 341815), (137, 279440), (140, 273452), (274, 139720), (280, 136726), (499, 76720), (548, 69860), (560, 68363), (685, 55888), (959, 39920), (998, 38360), (1096, 34930), (1370, 27944), (1918, 19960), (1996, 19180), (2192, 17465), (2495, 15344), (2740, 13972), (3493, 10960), (3836, 9980), (3992, 9590), (4795, 7984), (4990, 7672), (5480, 6986)]