136470820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{1783}}^1$

素因数の和:1924

約数の個数: 48

約数和(自身を含む): 296714880

約数和(自身を除く): 160244060

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 89, 172, 178, 215, 356, 430, 445, 860, 890, 1780, 1783, 3566, 3827, 7132, 7654, 8915, 15308, 17830, 19135, 35660, 38270, 76540, 76669, 153338, 158687, 306676, 317374, 383345, 634748, 766690, 793435, 1533380, 1586870, 3173740, 6823541, 13647082, 27294164, 34117705, 68235410, 136470820]

約数ペア:

[(1, 136470820), (2, 68235410), (4, 34117705), (5, 27294164), (10, 13647082), (20, 6823541), (43, 3173740), (86, 1586870), (89, 1533380), (172, 793435), (178, 766690), (215, 634748), (356, 383345), (430, 317374), (445, 306676), (860, 158687), (890, 153338), (1780, 76669), (1783, 76540), (3566, 38270), (3827, 35660), (7132, 19135), (7654, 17830), (8915, 15308)]