201731780

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{190313}}^1$

素因数の和:190375

約数の個数: 24

約数和(自身を含む): 431632152

約数和(自身を除く): 229900372

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 190313, 380626, 761252, 951565, 1903130, 3806260, 10086589, 20173178, 40346356, 50432945, 100865890, 201731780]

約数ペア:

[(1, 201731780), (2, 100865890), (4, 50432945), (5, 40346356), (10, 20173178), (20, 10086589), (53, 3806260), (106, 1903130), (212, 951565), (265, 761252), (530, 380626), (1060, 190313)]