78865780

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{563327}}^1$

素因数の和:563343

約数の個数: 24

約数和(自身を含む): 189278208

約数和(自身を除く): 110412428

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 563327, 1126654, 2253308, 2816635, 3943289, 5633270, 7886578, 11266540, 15773156, 19716445, 39432890, 78865780]

約数ペア:

[(1, 78865780), (2, 39432890), (4, 19716445), (5, 15773156), (7, 11266540), (10, 7886578), (14, 5633270), (20, 3943289), (28, 2816635), (35, 2253308), (70, 1126654), (140, 563327)]