290408980

素因数分解:

$2^2\times 5^1\times {\mathrm{743}}^1\times {\mathrm{19543}}^1$

素因数の和:20295

約数の個数: 24

約数和(自身を含む): 610710912

約数和(自身を除く): 320301932

約数列:

[1, 2, 4, 5, 10, 20, 743, 1486, 2972, 3715, 7430, 14860, 19543, 39086, 78172, 97715, 195430, 390860, 14520449, 29040898, 58081796, 72602245, 145204490, 290408980]

約数ペア:

[(1, 290408980), (2, 145204490), (4, 72602245), (5, 58081796), (10, 29040898), (20, 14520449), (743, 390860), (1486, 195430), (2972, 97715), (3715, 78172), (7430, 39086), (14860, 19543)]