3840620

素因数分解:

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

素因数の和:3942

約数の個数: 36

約数和(自身を含む): 9384480

約数和(自身を除く): 5543860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 3919, 7838, 15676, 19595, 27433, 39190, 54866, 78380, 109732, 137165, 192031, 274330, 384062, 548660, 768124, 960155, 1920310, 3840620]

約数ペア:

[(1, 3840620), (2, 1920310), (4, 960155), (5, 768124), (7, 548660), (10, 384062), (14, 274330), (20, 192031), (28, 137165), (35, 109732), (49, 78380), (70, 54866), (98, 39190), (140, 27433), (196, 19595), (245, 15676), (490, 7838), (980, 3919)]