3121580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{2027}}^1$

素因数の和:2054

約数の個数: 48

約数和(自身を含む): 8176896

約数和(自身を除く): 5055316

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 2027, 4054, 8108, 10135, 14189, 20270, 22297, 28378, 40540, 44594, 56756, 70945, 89188, 111485, 141890, 156079, 222970, 283780, 312158, 445940, 624316, 780395, 1560790, 3121580]

約数ペア:

[(1, 3121580), (2, 1560790), (4, 780395), (5, 624316), (7, 445940), (10, 312158), (11, 283780), (14, 222970), (20, 156079), (22, 141890), (28, 111485), (35, 89188), (44, 70945), (55, 56756), (70, 44594), (77, 40540), (110, 28378), (140, 22297), (154, 20270), (220, 14189), (308, 10135), (385, 8108), (770, 4054), (1540, 2027)]