2194640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{3919}}^1$

素因数の和:3939

約数の個数: 40

約数和(自身を含む): 5832960

約数和(自身を除く): 3638320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 3919, 7838, 15676, 19595, 27433, 31352, 39190, 54866, 62704, 78380, 109732, 137165, 156760, 219464, 274330, 313520, 438928, 548660, 1097320, 2194640]

約数ペア:

[(1, 2194640), (2, 1097320), (4, 548660), (5, 438928), (7, 313520), (8, 274330), (10, 219464), (14, 156760), (16, 137165), (20, 109732), (28, 78380), (35, 62704), (40, 54866), (56, 39190), (70, 31352), (80, 27433), (112, 19595), (140, 15676), (280, 7838), (560, 3919)]