257845940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1172027}}^1$

素因数の和:1172047

約数の個数: 24

約数和(自身を含む): 590702112

約数和(自身を除く): 332856172

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1172027, 2344054, 4688108, 5860135, 11720270, 12892297, 23440540, 25784594, 51569188, 64461485, 128922970, 257845940]

約数ペア:

[(1, 257845940), (2, 128922970), (4, 64461485), (5, 51569188), (10, 25784594), (11, 23440540), (20, 12892297), (22, 11720270), (44, 5860135), (55, 4688108), (110, 2344054), (220, 1172027)]