168151940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{764327}}^1$

素因数の和:764347

約数の個数: 24

約数和(自身を含む): 385221312

約数和(自身を除く): 217069372

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 764327, 1528654, 3057308, 3821635, 7643270, 8407597, 15286540, 16815194, 33630388, 42037985, 84075970, 168151940]

約数ペア:

[(1, 168151940), (2, 84075970), (4, 42037985), (5, 33630388), (10, 16815194), (11, 15286540), (20, 8407597), (22, 7643270), (44, 3821635), (55, 3057308), (110, 1528654), (220, 764327)]