4020730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{809}}^1$

素因数の和:894

約数の個数: 32

約数和(自身を含む): 8398080

約数和(自身を除く): 4377350

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 809, 994, 1618, 2485, 4045, 4970, 5663, 8090, 11326, 28315, 56630, 57439, 114878, 287195, 402073, 574390, 804146, 2010365, 4020730]

約数ペア:

[(1, 4020730), (2, 2010365), (5, 804146), (7, 574390), (10, 402073), (14, 287195), (35, 114878), (70, 57439), (71, 56630), (142, 28315), (355, 11326), (497, 8090), (710, 5663), (809, 4970), (994, 4045), (1618, 2485)]