890996660

素因数分解:

$2^2\times 5^1\times {\mathrm{233}}^1\times {\mathrm{263}}^1\times {\mathrm{727}}^1$

素因数の和:1232

約数の個数: 48

約数和(自身を含む): 1888862976

約数和(自身を除く): 997866316

約数列:

[1, 2, 4, 5, 10, 20, 233, 263, 466, 526, 727, 932, 1052, 1165, 1315, 1454, 2330, 2630, 2908, 3635, 4660, 5260, 7270, 14540, 61279, 122558, 169391, 191201, 245116, 306395, 338782, 382402, 612790, 677564, 764804, 846955, 956005, 1225580, 1693910, 1912010, 3387820, 3824020, 44549833, 89099666, 178199332, 222749165, 445498330, 890996660]

約数ペア:

[(1, 890996660), (2, 445498330), (4, 222749165), (5, 178199332), (10, 89099666), (20, 44549833), (233, 3824020), (263, 3387820), (466, 1912010), (526, 1693910), (727, 1225580), (932, 956005), (1052, 846955), (1165, 764804), (1315, 677564), (1454, 612790), (2330, 382402), (2630, 338782), (2908, 306395), (3635, 245116), (4660, 191201), (5260, 169391), (7270, 122558), (14540, 61279)]