139854680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{499481}}^1$

素因数の和:499499

約数の個数: 32

約数和(自身を含む): 359627040

約数和(自身を除く): 219772360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 499481, 998962, 1997924, 2497405, 3496367, 3995848, 4994810, 6992734, 9989620, 13985468, 17481835, 19979240, 27970936, 34963670, 69927340, 139854680]

約数ペア:

[(1, 139854680), (2, 69927340), (4, 34963670), (5, 27970936), (7, 19979240), (8, 17481835), (10, 13985468), (14, 9989620), (20, 6992734), (28, 4994810), (35, 3995848), (40, 3496367), (56, 2497405), (70, 1997924), (140, 998962), (280, 499481)]