1427540

素因数分解:

$2^2\times 5^1\times {\mathrm{137}}^1\times {\mathrm{521}}^1$

素因数の和:667

約数の個数: 24

約数和(自身を含む): 3025512

約数和(自身を除く): 1597972

約数列:

[1, 2, 4, 5, 10, 20, 137, 274, 521, 548, 685, 1042, 1370, 2084, 2605, 2740, 5210, 10420, 71377, 142754, 285508, 356885, 713770, 1427540]

約数ペア:

[(1, 1427540), (2, 713770), (4, 356885), (5, 285508), (10, 142754), (20, 71377), (137, 10420), (274, 5210), (521, 2740), (548, 2605), (685, 2084), (1042, 1370)]