1900790620

素因数分解:

$2^2\times 5^1\times {\mathrm{277}}^1\times {\mathrm{293}}^1\times {\mathrm{1171}}^1$

素因数の和:1750

約数の個数: 48

約数和(自身を含む): 4023175968

約数和(自身を除く): 2122385348

約数列:

[1, 2, 4, 5, 10, 20, 277, 293, 554, 586, 1108, 1171, 1172, 1385, 1465, 2342, 2770, 2930, 4684, 5540, 5855, 5860, 11710, 23420, 81161, 162322, 324367, 324644, 343103, 405805, 648734, 686206, 811610, 1297468, 1372412, 1621835, 1623220, 1715515, 3243670, 3431030, 6487340, 6862060, 95039531, 190079062, 380158124, 475197655, 950395310, 1900790620]

約数ペア:

[(1, 1900790620), (2, 950395310), (4, 475197655), (5, 380158124), (10, 190079062), (20, 95039531), (277, 6862060), (293, 6487340), (554, 3431030), (586, 3243670), (1108, 1715515), (1171, 1623220), (1172, 1621835), (1385, 1372412), (1465, 1297468), (2342, 811610), (2770, 686206), (2930, 648734), (4684, 405805), (5540, 343103), (5855, 324644), (5860, 324367), (11710, 162322), (23420, 81161)]