2440270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{491}}^1$

素因数の和:576

約数の個数: 32

約数和(自身を含む): 5101056

約数和(自身を除く): 2660786

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 491, 497, 710, 982, 994, 2455, 2485, 3437, 4910, 4970, 6874, 17185, 34370, 34861, 69722, 174305, 244027, 348610, 488054, 1220135, 2440270]

約数ペア:

[(1, 2440270), (2, 1220135), (5, 488054), (7, 348610), (10, 244027), (14, 174305), (35, 69722), (70, 34861), (71, 34370), (142, 17185), (355, 6874), (491, 4970), (497, 4910), (710, 3437), (982, 2485), (994, 2455)]