200719960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{716857}}^1$

素因数の和:716875

約数の個数: 32

約数和(自身を含む): 516137760

約数和(自身を除く): 315417800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 716857, 1433714, 2867428, 3584285, 5017999, 5734856, 7168570, 10035998, 14337140, 20071996, 25089995, 28674280, 40143992, 50179990, 100359980, 200719960]

約数ペア:

[(1, 200719960), (2, 100359980), (4, 50179990), (5, 40143992), (7, 28674280), (8, 25089995), (10, 20071996), (14, 14337140), (20, 10035998), (28, 7168570), (35, 5734856), (40, 5017999), (56, 3584285), (70, 2867428), (140, 1433714), (280, 716857)]