1999622020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{93703}}^1$

素因数の和:93820

約数の個数: 48

約数和(自身を含む): 4628227968

約数和(自身を除く): 2628605948

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 97, 110, 194, 220, 388, 485, 970, 1067, 1940, 2134, 4268, 5335, 10670, 21340, 93703, 187406, 374812, 468515, 937030, 1030733, 1874060, 2061466, 4122932, 5153665, 9089191, 10307330, 18178382, 20614660, 36356764, 45445955, 90891910, 99981101, 181783820, 199962202, 399924404, 499905505, 999811010, 1999622020]

約数ペア:

[(1, 1999622020), (2, 999811010), (4, 499905505), (5, 399924404), (10, 199962202), (11, 181783820), (20, 99981101), (22, 90891910), (44, 45445955), (55, 36356764), (97, 20614660), (110, 18178382), (194, 10307330), (220, 9089191), (388, 5153665), (485, 4122932), (970, 2061466), (1067, 1874060), (1940, 1030733), (2134, 937030), (4268, 468515), (5335, 374812), (10670, 187406), (21340, 93703)]