4039778890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{409}}^1\times {\mathrm{947}}^1$

素因数の和:1519

約数の個数: 64

約数和(自身を含む): 8395488000

約数和(自身を除く): 4355709110

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 149, 298, 409, 745, 818, 947, 1043, 1490, 1894, 2045, 2086, 2863, 4090, 4735, 5215, 5726, 6629, 9470, 10430, 13258, 14315, 28630, 33145, 60941, 66290, 121882, 141103, 282206, 304705, 387323, 426587, 609410, 705515, 774646, 853174, 987721, 1411030, 1936615, 1975442, 2132935, 2711261, 3873230, 4265870, 4938605, 5422522, 9877210, 13556305, 27112610, 57711127, 115422254, 288555635, 403977889, 577111270, 807955778, 2019889445, 4039778890]

約数ペア:

[(1, 4039778890), (2, 2019889445), (5, 807955778), (7, 577111270), (10, 403977889), (14, 288555635), (35, 115422254), (70, 57711127), (149, 27112610), (298, 13556305), (409, 9877210), (745, 5422522), (818, 4938605), (947, 4265870), (1043, 3873230), (1490, 2711261), (1894, 2132935), (2045, 1975442), (2086, 1936615), (2863, 1411030), (4090, 987721), (4735, 853174), (5215, 774646), (5726, 705515), (6629, 609410), (9470, 426587), (10430, 387323), (13258, 304705), (14315, 282206), (28630, 141103), (33145, 121882), (60941, 66290)]