381080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{1361}}^1$

素因数の和:1379

約数の個数: 32

約数和(自身を含む): 980640

約数和(自身を除く): 599560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 1361, 2722, 5444, 6805, 9527, 10888, 13610, 19054, 27220, 38108, 47635, 54440, 76216, 95270, 190540, 381080]

約数ペア:

[(1, 381080), (2, 190540), (4, 95270), (5, 76216), (7, 54440), (8, 47635), (10, 38108), (14, 27220), (20, 19054), (28, 13610), (35, 10888), (40, 9527), (56, 6805), (70, 5444), (140, 2722), (280, 1361)]