212710

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:335

約数の個数: 16

約数和(自身を含む): 388800

約数和(自身を除く): 176090

約数列:

[1, 2, 5, 10, 89, 178, 239, 445, 478, 890, 1195, 2390, 21271, 42542, 106355, 212710]

約数ペア:

[(1, 212710), (2, 106355), (5, 42542), (10, 21271), (89, 2390), (178, 1195), (239, 890), (445, 478)]