239074640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{426919}}^1$

素因数の和:426939

約数の個数: 40

約数和(自身を含む): 635256960

約数和(自身を除く): 396182320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 426919, 853838, 1707676, 2134595, 2988433, 3415352, 4269190, 5976866, 6830704, 8538380, 11953732, 14942165, 17076760, 23907464, 29884330, 34153520, 47814928, 59768660, 119537320, 239074640]

約数ペア:

[(1, 239074640), (2, 119537320), (4, 59768660), (5, 47814928), (7, 34153520), (8, 29884330), (10, 23907464), (14, 17076760), (16, 14942165), (20, 11953732), (28, 8538380), (35, 6830704), (40, 5976866), (56, 4269190), (70, 3415352), (80, 2988433), (112, 2134595), (140, 1707676), (280, 853838), (560, 426919)]