211381520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{3463}}^1$

素因数の和:3592

約数の個数: 80

約数和(自身を含む): 566987520

約数和(自身を除く): 355606000

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 109, 112, 140, 218, 280, 436, 545, 560, 763, 872, 1090, 1526, 1744, 2180, 3052, 3463, 3815, 4360, 6104, 6926, 7630, 8720, 12208, 13852, 15260, 17315, 24241, 27704, 30520, 34630, 48482, 55408, 61040, 69260, 96964, 121205, 138520, 193928, 242410, 277040, 377467, 387856, 484820, 754934, 969640, 1509868, 1887335, 1939280, 2642269, 3019736, 3774670, 5284538, 6039472, 7549340, 10569076, 13211345, 15098680, 21138152, 26422690, 30197360, 42276304, 52845380, 105690760, 211381520]

約数ペア:

[(1, 211381520), (2, 105690760), (4, 52845380), (5, 42276304), (7, 30197360), (8, 26422690), (10, 21138152), (14, 15098680), (16, 13211345), (20, 10569076), (28, 7549340), (35, 6039472), (40, 5284538), (56, 3774670), (70, 3019736), (80, 2642269), (109, 1939280), (112, 1887335), (140, 1509868), (218, 969640), (280, 754934), (436, 484820), (545, 387856), (560, 377467), (763, 277040), (872, 242410), (1090, 193928), (1526, 138520), (1744, 121205), (2180, 96964), (3052, 69260), (3463, 61040), (3815, 55408), (4360, 48482), (6104, 34630), (6926, 30520), (7630, 27704), (8720, 24241), (12208, 17315), (13852, 15260)]