278545473220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{26041}}^1\times {\mathrm{76403}}^1$

素因数の和:102460

約数の個数: 48

約数和(自身を含む): 668543557248

約数和(自身を除く): 389998084028

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 26041, 52082, 76403, 104164, 130205, 152806, 182287, 260410, 305612, 364574, 382015, 520820, 534821, 729148, 764030, 911435, 1069642, 1528060, 1822870, 2139284, 2674105, 3645740, 5348210, 10696420, 1989610523, 3979221046, 7958442092, 9948052615, 13927273661, 19896105230, 27854547322, 39792210460, 55709094644, 69636368305, 139272736610, 278545473220]

約数ペア:

[(1, 278545473220), (2, 139272736610), (4, 69636368305), (5, 55709094644), (7, 39792210460), (10, 27854547322), (14, 19896105230), (20, 13927273661), (28, 9948052615), (35, 7958442092), (70, 3979221046), (140, 1989610523), (26041, 10696420), (52082, 5348210), (76403, 3645740), (104164, 2674105), (130205, 2139284), (152806, 1822870), (182287, 1528060), (260410, 1069642), (305612, 911435), (364574, 764030), (382015, 729148), (520820, 534821)]