2101660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{233}}^1$

素因数の和:294

約数の個数: 48

約数和(自身を含む): 4953312

約数和(自身を除く): 2851652

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 233, 410, 451, 466, 820, 902, 932, 1165, 1804, 2255, 2330, 2563, 4510, 4660, 5126, 9020, 9553, 10252, 12815, 19106, 25630, 38212, 47765, 51260, 95530, 105083, 191060, 210166, 420332, 525415, 1050830, 2101660]

約数ペア:

[(1, 2101660), (2, 1050830), (4, 525415), (5, 420332), (10, 210166), (11, 191060), (20, 105083), (22, 95530), (41, 51260), (44, 47765), (55, 38212), (82, 25630), (110, 19106), (164, 12815), (205, 10252), (220, 9553), (233, 9020), (410, 5126), (451, 4660), (466, 4510), (820, 2563), (902, 2330), (932, 2255), (1165, 1804)]