342980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1559}}^1$

素因数の和:1579

約数の個数: 24

約数和(自身を含む): 786240

約数和(自身を除く): 443260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1559, 3118, 6236, 7795, 15590, 17149, 31180, 34298, 68596, 85745, 171490, 342980]

約数ペア:

[(1, 342980), (2, 171490), (4, 85745), (5, 68596), (10, 34298), (11, 31180), (20, 17149), (22, 15590), (44, 7795), (55, 6236), (110, 3118), (220, 1559)]