2470090

素因数分解:

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

素因数の和:163

約数の個数: 36

約数和(自身を含む): 5245938

約数和(自身を除く): 2775848

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 71, 98, 142, 245, 355, 490, 497, 710, 994, 2485, 3479, 4970, 5041, 6958, 10082, 17395, 25205, 34790, 35287, 50410, 70574, 176435, 247009, 352870, 494018, 1235045, 2470090]

約数ペア:

[(1, 2470090), (2, 1235045), (5, 494018), (7, 352870), (10, 247009), (14, 176435), (35, 70574), (49, 50410), (70, 35287), (71, 34790), (98, 25205), (142, 17395), (245, 10082), (355, 6958), (490, 5041), (497, 4970), (710, 3479), (994, 2485)]