194969780

素因数分解:

$2^2\times 5^1\times {\mathrm{1601}}^1\times {\mathrm{6089}}^1$

素因数の和:7699

約数の個数: 24

約数和(自身を含む): 409759560

約数和(自身を除く): 214789780

約数列:

[1, 2, 4, 5, 10, 20, 1601, 3202, 6089, 6404, 8005, 12178, 16010, 24356, 30445, 32020, 60890, 121780, 9748489, 19496978, 38993956, 48742445, 97484890, 194969780]

約数ペア:

[(1, 194969780), (2, 97484890), (4, 48742445), (5, 38993956), (10, 19496978), (20, 9748489), (1601, 121780), (3202, 60890), (6089, 32020), (6404, 30445), (8005, 24356), (12178, 16010)]