561617140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{4011551}}^1$

素因数の和:4011567

約数の個数: 24

約数和(自身を含む): 1347881472

約数和(自身を除く): 786264332

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 4011551, 8023102, 16046204, 20057755, 28080857, 40115510, 56161714, 80231020, 112323428, 140404285, 280808570, 561617140]

約数ペア:

[(1, 561617140), (2, 280808570), (4, 140404285), (5, 112323428), (7, 80231020), (10, 56161714), (14, 40115510), (20, 28080857), (28, 20057755), (35, 16046204), (70, 8023102), (140, 4011551)]