27742540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2791}}^1$

素因数の和:2878

約数の個数: 48

約数和(自身を含む): 67544064

約数和(自身を除く): 39801524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 71, 140, 142, 284, 355, 497, 710, 994, 1420, 1988, 2485, 2791, 4970, 5582, 9940, 11164, 13955, 19537, 27910, 39074, 55820, 78148, 97685, 195370, 198161, 390740, 396322, 792644, 990805, 1387127, 1981610, 2774254, 3963220, 5548508, 6935635, 13871270, 27742540]

約数ペア:

[(1, 27742540), (2, 13871270), (4, 6935635), (5, 5548508), (7, 3963220), (10, 2774254), (14, 1981610), (20, 1387127), (28, 990805), (35, 792644), (70, 396322), (71, 390740), (140, 198161), (142, 195370), (284, 97685), (355, 78148), (497, 55820), (710, 39074), (994, 27910), (1420, 19537), (1988, 13955), (2485, 11164), (2791, 9940), (4970, 5582)]