204500164

素因数分解:

$2^2\times {\mathrm{11}}^3\times {\mathrm{71}}^1\times {\mathrm{541}}^1$

素因数の和:649

約数の個数: 48

約数和(自身を含む): 399917952

約数和(自身を除く): 195417788

約数列:

[1, 2, 4, 11, 22, 44, 71, 121, 142, 242, 284, 484, 541, 781, 1082, 1331, 1562, 2164, 2662, 3124, 5324, 5951, 8591, 11902, 17182, 23804, 34364, 38411, 65461, 76822, 94501, 130922, 153644, 189002, 261844, 378004, 422521, 720071, 845042, 1440142, 1690084, 2880284, 4647731, 9295462, 18590924, 51125041, 102250082, 204500164]

約数ペア:

[(1, 204500164), (2, 102250082), (4, 51125041), (11, 18590924), (22, 9295462), (44, 4647731), (71, 2880284), (121, 1690084), (142, 1440142), (242, 845042), (284, 720071), (484, 422521), (541, 378004), (781, 261844), (1082, 189002), (1331, 153644), (1562, 130922), (2164, 94501), (2662, 76822), (3124, 65461), (5324, 38411), (5951, 34364), (8591, 23804), (11902, 17182)]