71491870

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{2707}}^1$

素因数の和:2872

約数の個数: 32

約数和(自身を含む): 136483200

約数和(自身を除く): 64991330

約数列:

[1, 2, 5, 10, 19, 38, 95, 139, 190, 278, 695, 1390, 2641, 2707, 5282, 5414, 13205, 13535, 26410, 27070, 51433, 102866, 257165, 376273, 514330, 752546, 1881365, 3762730, 7149187, 14298374, 35745935, 71491870]

約数ペア:

[(1, 71491870), (2, 35745935), (5, 14298374), (10, 7149187), (19, 3762730), (38, 1881365), (95, 752546), (139, 514330), (190, 376273), (278, 257165), (695, 102866), (1390, 51433), (2641, 27070), (2707, 26410), (5282, 13535), (5414, 13205)]