280385504

素因数分解:

$2^5\times 7^1\times {\mathrm{1251721}}^1$

素因数の和:1251738

約数の個数: 24

約数和(自身を含む): 630867888

約数和(自身を除く): 350482384

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 1251721, 2503442, 5006884, 8762047, 10013768, 17524094, 20027536, 35048188, 40055072, 70096376, 140192752, 280385504]

約数ペア:

[(1, 280385504), (2, 140192752), (4, 70096376), (7, 40055072), (8, 35048188), (14, 20027536), (16, 17524094), (28, 10013768), (32, 8762047), (56, 5006884), (112, 2503442), (224, 1251721)]