428960

素因数分解:

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

素因数の和:405

約数の個数: 48

約数和(自身を含む): 1161216

約数和(自身を除く): 732256

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, 383, 560, 766, 1120, 1532, 1915, 2681, 3064, 3830, 5362, 6128, 7660, 10724, 12256, 13405, 15320, 21448, 26810, 30640, 42896, 53620, 61280, 85792, 107240, 214480, 428960]

約数ペア:

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