223176140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{1993}}^1$

素因数の和:2522

約数の個数: 48

約数和(自身を含む): 512537760

約数和(自身を除く): 289361620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 509, 1018, 1993, 2036, 2545, 3986, 5090, 5599, 7972, 9965, 10180, 11198, 19930, 21923, 22396, 27995, 39860, 43846, 55990, 87692, 109615, 111980, 219230, 438460, 1014437, 2028874, 4057748, 5072185, 10144370, 11158807, 20288740, 22317614, 44635228, 55794035, 111588070, 223176140]

約数ペア:

[(1, 223176140), (2, 111588070), (4, 55794035), (5, 44635228), (10, 22317614), (11, 20288740), (20, 11158807), (22, 10144370), (44, 5072185), (55, 4057748), (110, 2028874), (220, 1014437), (509, 438460), (1018, 219230), (1993, 111980), (2036, 109615), (2545, 87692), (3986, 55990), (5090, 43846), (5599, 39860), (7972, 27995), (9965, 22396), (10180, 21923), (11198, 19930)]