208048660

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{191}}^1\times {\mathrm{509}}^1$

素因数の和:816

約数の個数: 48

約数和(自身を含む): 444165120

約数和(自身を除く): 236116460

約数列:

[1, 2, 4, 5, 10, 20, 107, 191, 214, 382, 428, 509, 535, 764, 955, 1018, 1070, 1910, 2036, 2140, 2545, 3820, 5090, 10180, 20437, 40874, 54463, 81748, 97219, 102185, 108926, 194438, 204370, 217852, 272315, 388876, 408740, 486095, 544630, 972190, 1089260, 1944380, 10402433, 20804866, 41609732, 52012165, 104024330, 208048660]

約数ペア:

[(1, 208048660), (2, 104024330), (4, 52012165), (5, 41609732), (10, 20804866), (20, 10402433), (107, 1944380), (191, 1089260), (214, 972190), (382, 544630), (428, 486095), (509, 408740), (535, 388876), (764, 272315), (955, 217852), (1018, 204370), (1070, 194438), (1910, 108926), (2036, 102185), (2140, 97219), (2545, 81748), (3820, 54463), (5090, 40874), (10180, 20437)]