74290780

素因数分解:

$2^2\times 5^1\times {\mathrm{281}}^1\times {\mathrm{13219}}^1$

素因数の和:13509

約数の個数: 24

約数和(自身を含む): 156577680

約数和(自身を除く): 82286900

約数列:

[1, 2, 4, 5, 10, 20, 281, 562, 1124, 1405, 2810, 5620, 13219, 26438, 52876, 66095, 132190, 264380, 3714539, 7429078, 14858156, 18572695, 37145390, 74290780]

約数ペア:

[(1, 74290780), (2, 37145390), (4, 18572695), (5, 14858156), (10, 7429078), (20, 3714539), (281, 264380), (562, 132190), (1124, 66095), (1405, 52876), (2810, 26438), (5620, 13219)]