4080370

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{821}}^1$

素因数の和:906

約数の個数: 32

約数和(自身を含む): 8522496

約数和(自身を除く): 4442126

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 821, 994, 1642, 2485, 4105, 4970, 5747, 8210, 11494, 28735, 57470, 58291, 116582, 291455, 408037, 582910, 816074, 2040185, 4080370]

約数ペア:

[(1, 4080370), (2, 2040185), (5, 816074), (7, 582910), (10, 408037), (14, 291455), (35, 116582), (70, 58291), (71, 57470), (142, 28735), (355, 11494), (497, 8210), (710, 5747), (821, 4970), (994, 4105), (1642, 2485)]