140828

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:149

約数の個数: 24

約数和(自身を含む): 277200

約数和(自身を除く): 136372

約数列:

[1, 2, 4, 17, 19, 34, 38, 68, 76, 109, 218, 323, 436, 646, 1292, 1853, 2071, 3706, 4142, 7412, 8284, 35207, 70414, 140828]

約数ペア:

[(1, 140828), (2, 70414), (4, 35207), (17, 8284), (19, 7412), (34, 4142), (38, 3706), (68, 2071), (76, 1853), (109, 1292), (218, 646), (323, 436)]