966690820

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1\times {\mathrm{3361}}^1$

素因数の和:3640

約数の個数: 48

約数和(自身を含む): 2068921008

約数和(自身を除く): 1102230188

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 197, 292, 365, 394, 730, 788, 985, 1460, 1970, 3361, 3940, 6722, 13444, 14381, 16805, 28762, 33610, 57524, 67220, 71905, 143810, 245353, 287620, 490706, 662117, 981412, 1226765, 1324234, 2453530, 2648468, 3310585, 4907060, 6621170, 13242340, 48334541, 96669082, 193338164, 241672705, 483345410, 966690820]

約数ペア:

[(1, 966690820), (2, 483345410), (4, 241672705), (5, 193338164), (10, 96669082), (20, 48334541), (73, 13242340), (146, 6621170), (197, 4907060), (292, 3310585), (365, 2648468), (394, 2453530), (730, 1324234), (788, 1226765), (985, 981412), (1460, 662117), (1970, 490706), (3361, 287620), (3940, 245353), (6722, 143810), (13444, 71905), (14381, 67220), (16805, 57524), (28762, 33610)]