387660740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1\times {\mathrm{2029}}^1$

素因数の和:2312

約数の個数: 48

約数和(自身を含む): 837935280

約数和(自身を除く): 450274540

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 233, 410, 466, 820, 932, 1165, 2029, 2330, 4058, 4660, 8116, 9553, 10145, 19106, 20290, 38212, 40580, 47765, 83189, 95530, 166378, 191060, 332756, 415945, 472757, 831890, 945514, 1663780, 1891028, 2363785, 4727570, 9455140, 19383037, 38766074, 77532148, 96915185, 193830370, 387660740]

約数ペア:

[(1, 387660740), (2, 193830370), (4, 96915185), (5, 77532148), (10, 38766074), (20, 19383037), (41, 9455140), (82, 4727570), (164, 2363785), (205, 1891028), (233, 1663780), (410, 945514), (466, 831890), (820, 472757), (932, 415945), (1165, 332756), (2029, 191060), (2330, 166378), (4058, 95530), (4660, 83189), (8116, 47765), (9553, 40580), (10145, 38212), (19106, 20290)]