127801820

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{46643}}^1$

素因数の和:46789

約数の個数: 24

約数和(自身を含む): 270348624

約数和(自身を除く): 142546804

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 548, 685, 1370, 2740, 46643, 93286, 186572, 233215, 466430, 932860, 6390091, 12780182, 25560364, 31950455, 63900910, 127801820]

約数ペア:

[(1, 127801820), (2, 63900910), (4, 31950455), (5, 25560364), (10, 12780182), (20, 6390091), (137, 932860), (274, 466430), (548, 233215), (685, 186572), (1370, 93286), (2740, 46643)]