999960920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{3571289}}^1$

素因数の和:3571307

約数の個数: 32

約数和(自身を含む): 2571328800

約数和(自身を除く): 1571367880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 3571289, 7142578, 14285156, 17856445, 24999023, 28570312, 35712890, 49998046, 71425780, 99996092, 124995115, 142851560, 199992184, 249990230, 499980460, 999960920]

約数ペア:

[(1, 999960920), (2, 499980460), (4, 249990230), (5, 199992184), (7, 142851560), (8, 124995115), (10, 99996092), (14, 71425780), (20, 49998046), (28, 35712890), (35, 28570312), (40, 24999023), (56, 17856445), (70, 14285156), (140, 7142578), (280, 3571289)]