202139980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1443857}}^1$

素因数の和:1443873

約数の個数: 24

約数和(自身を含む): 485136288

約数和(自身を除く): 282996308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1443857, 2887714, 5775428, 7219285, 10106999, 14438570, 20213998, 28877140, 40427996, 50534995, 101069990, 202139980]

約数ペア:

[(1, 202139980), (2, 101069990), (4, 50534995), (5, 40427996), (7, 28877140), (10, 20213998), (14, 14438570), (20, 10106999), (28, 7219285), (35, 5775428), (70, 2887714), (140, 1443857)]