205990074

素因数分解:

$2^1\times 3^3\times {\mathrm{29}}^1\times {\mathrm{199}}^1\times {\mathrm{661}}^1$

素因数の和:900

約数の個数: 64

約数和(自身を含む): 476640000

約数和(自身を除く): 270649926

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 87, 174, 199, 261, 398, 522, 597, 661, 783, 1194, 1322, 1566, 1791, 1983, 3582, 3966, 5373, 5771, 5949, 10746, 11542, 11898, 17313, 17847, 19169, 34626, 35694, 38338, 51939, 57507, 103878, 115014, 131539, 155817, 172521, 263078, 311634, 345042, 394617, 517563, 789234, 1035126, 1183851, 2367702, 3551553, 3814631, 7103106, 7629262, 11443893, 22887786, 34331679, 68663358, 102995037, 205990074]

約数ペア:

[(1, 205990074), (2, 102995037), (3, 68663358), (6, 34331679), (9, 22887786), (18, 11443893), (27, 7629262), (29, 7103106), (54, 3814631), (58, 3551553), (87, 2367702), (174, 1183851), (199, 1035126), (261, 789234), (398, 517563), (522, 394617), (597, 345042), (661, 311634), (783, 263078), (1194, 172521), (1322, 155817), (1566, 131539), (1791, 115014), (1983, 103878), (3582, 57507), (3966, 51939), (5373, 38338), (5771, 35694), (5949, 34626), (10746, 19169), (11542, 17847), (11898, 17313)]