68801450

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{15461}}^1$

素因数の和:15562

約数の個数: 24

約数和(自身を含む): 129416940

約数和(自身を除く): 60615490

約数列:

[1, 2, 5, 10, 25, 50, 89, 178, 445, 890, 2225, 4450, 15461, 30922, 77305, 154610, 386525, 773050, 1376029, 2752058, 6880145, 13760290, 34400725, 68801450]

約数ペア:

[(1, 68801450), (2, 34400725), (5, 13760290), (10, 6880145), (25, 2752058), (50, 1376029), (89, 773050), (178, 386525), (445, 154610), (890, 77305), (2225, 30922), (4450, 15461)]