1905400

素因数分解:

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

素因数の和:1384

約数の個数: 48

約数和(自身を含む): 5066640

約数和(自身を除く): 3161240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 50, 56, 70, 100, 140, 175, 200, 280, 350, 700, 1361, 1400, 2722, 5444, 6805, 9527, 10888, 13610, 19054, 27220, 34025, 38108, 47635, 54440, 68050, 76216, 95270, 136100, 190540, 238175, 272200, 381080, 476350, 952700, 1905400]

約数ペア:

[(1, 1905400), (2, 952700), (4, 476350), (5, 381080), (7, 272200), (8, 238175), (10, 190540), (14, 136100), (20, 95270), (25, 76216), (28, 68050), (35, 54440), (40, 47635), (50, 38108), (56, 34025), (70, 27220), (100, 19054), (140, 13610), (175, 10888), (200, 9527), (280, 6805), (350, 5444), (700, 2722), (1361, 1400)]