857920

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{383}}^1$

素因数の和:407

約数の個数: 56

約数和(自身を含む): 2340864

約数和(自身を除く): 1482944

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 140, 160, 224, 280, 320, 383, 448, 560, 766, 1120, 1532, 1915, 2240, 2681, 3064, 3830, 5362, 6128, 7660, 10724, 12256, 13405, 15320, 21448, 24512, 26810, 30640, 42896, 53620, 61280, 85792, 107240, 122560, 171584, 214480, 428960, 857920]

約数ペア:

[(1, 857920), (2, 428960), (4, 214480), (5, 171584), (7, 122560), (8, 107240), (10, 85792), (14, 61280), (16, 53620), (20, 42896), (28, 30640), (32, 26810), (35, 24512), (40, 21448), (56, 15320), (64, 13405), (70, 12256), (80, 10724), (112, 7660), (140, 6128), (160, 5362), (224, 3830), (280, 3064), (320, 2681), (383, 2240), (448, 1915), (560, 1532), (766, 1120)]