61142180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{277919}}^1$

素因数の和:277939

約数の個数: 24

約数和(自身を含む): 140071680

約数和(自身を除く): 78929500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 277919, 555838, 1111676, 1389595, 2779190, 3057109, 5558380, 6114218, 12228436, 15285545, 30571090, 61142180]

約数ペア:

[(1, 61142180), (2, 30571090), (4, 15285545), (5, 12228436), (10, 6114218), (11, 5558380), (20, 3057109), (22, 2779190), (44, 1389595), (55, 1111676), (110, 555838), (220, 277919)]