221120270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{44491}}^1$

素因数の和:44576

約数の個数: 32

約数和(自身を含む): 461293056

約数和(自身を除く): 240172786

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 71, 142, 355, 497, 710, 994, 2485, 4970, 44491, 88982, 222455, 311437, 444910, 622874, 1557185, 3114370, 3158861, 6317722, 15794305, 22112027, 31588610, 44224054, 110560135, 221120270]

約数ペア:

[(1, 221120270), (2, 110560135), (5, 44224054), (7, 31588610), (10, 22112027), (14, 15794305), (35, 6317722), (70, 3158861), (71, 3114370), (142, 1557185), (355, 622874), (497, 444910), (710, 311437), (994, 222455), (2485, 88982), (4970, 44491)]