70248920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{250889}}^1$

素因数の和:250907

約数の個数: 32

約数和(自身を含む): 180640800

約数和(自身を除く): 110391880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 250889, 501778, 1003556, 1254445, 1756223, 2007112, 2508890, 3512446, 5017780, 7024892, 8781115, 10035560, 14049784, 17562230, 35124460, 70248920]

約数ペア:

[(1, 70248920), (2, 35124460), (4, 17562230), (5, 14049784), (7, 10035560), (8, 8781115), (10, 7024892), (14, 5017780), (20, 3512446), (28, 2508890), (35, 2007112), (40, 1756223), (56, 1254445), (70, 1003556), (140, 501778), (280, 250889)]