168268540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{764857}}^1$

素因数の和:764877

約数の個数: 24

約数和(自身を含む): 385488432

約数和(自身を除く): 217219892

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 764857, 1529714, 3059428, 3824285, 7648570, 8413427, 15297140, 16826854, 33653708, 42067135, 84134270, 168268540]

約数ペア:

[(1, 168268540), (2, 84134270), (4, 42067135), (5, 33653708), (10, 16826854), (11, 15297140), (20, 8413427), (22, 7648570), (44, 3824285), (55, 3059428), (110, 1529714), (220, 764857)]