4389280

素因数分解:

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

素因数の和:3941

約数の個数: 48

約数和(自身を含む): 11854080

約数和(自身を除く): 7464800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 3919, 7838, 15676, 19595, 27433, 31352, 39190, 54866, 62704, 78380, 109732, 125408, 137165, 156760, 219464, 274330, 313520, 438928, 548660, 627040, 877856, 1097320, 2194640, 4389280]

約数ペア:

[(1, 4389280), (2, 2194640), (4, 1097320), (5, 877856), (7, 627040), (8, 548660), (10, 438928), (14, 313520), (16, 274330), (20, 219464), (28, 156760), (32, 137165), (35, 125408), (40, 109732), (56, 78380), (70, 62704), (80, 54866), (112, 39190), (140, 31352), (160, 27433), (224, 19595), (280, 15676), (560, 7838), (1120, 3919)]