1390760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{4967}}^1$

素因数の和:4985

約数の個数: 32

約数和(自身を含む): 3576960

約数和(自身を除く): 2186200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 4967, 9934, 19868, 24835, 34769, 39736, 49670, 69538, 99340, 139076, 173845, 198680, 278152, 347690, 695380, 1390760]

約数ペア:

[(1, 1390760), (2, 695380), (4, 347690), (5, 278152), (7, 198680), (8, 173845), (10, 139076), (14, 99340), (20, 69538), (28, 49670), (35, 39736), (40, 34769), (56, 24835), (70, 19868), (140, 9934), (280, 4967)]