214480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{383}}^1$

素因数の和:403

約数の個数: 40

約数和(自身を含む): 571392

約数和(自身を除く): 356912

約数列:

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

約数ペア:

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