340012780

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{337}}^1\times {\mathrm{827}}^1$

素因数の和:1234

約数の個数: 48

約数和(自身を含む): 728765856

約数和(自身を除く): 388753076

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 337, 610, 674, 827, 1220, 1348, 1654, 1685, 3308, 3370, 4135, 6740, 8270, 16540, 20557, 41114, 50447, 82228, 100894, 102785, 201788, 205570, 252235, 278699, 411140, 504470, 557398, 1008940, 1114796, 1393495, 2786990, 5573980, 17000639, 34001278, 68002556, 85003195, 170006390, 340012780]

約数ペア:

[(1, 340012780), (2, 170006390), (4, 85003195), (5, 68002556), (10, 34001278), (20, 17000639), (61, 5573980), (122, 2786990), (244, 1393495), (305, 1114796), (337, 1008940), (610, 557398), (674, 504470), (827, 411140), (1220, 278699), (1348, 252235), (1654, 205570), (1685, 201788), (3308, 102785), (3370, 100894), (4135, 82228), (6740, 50447), (8270, 41114), (16540, 20557)]