187480

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:163

約数の個数: 32

約数和(自身を含む): 435600

約数和(自身を除く): 248120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 109, 172, 215, 218, 344, 430, 436, 545, 860, 872, 1090, 1720, 2180, 4360, 4687, 9374, 18748, 23435, 37496, 46870, 93740, 187480]

約数ペア:

[(1, 187480), (2, 93740), (4, 46870), (5, 37496), (8, 23435), (10, 18748), (20, 9374), (40, 4687), (43, 4360), (86, 2180), (109, 1720), (172, 1090), (215, 872), (218, 860), (344, 545), (430, 436)]