1907480

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1109}}^1$

素因数の和:1163

約数の個数: 32

約数和(自身を含む): 4395600

約数和(自身を除く): 2488120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1109, 1720, 2218, 4436, 5545, 8872, 11090, 22180, 44360, 47687, 95374, 190748, 238435, 381496, 476870, 953740, 1907480]

約数ペア:

[(1, 1907480), (2, 953740), (4, 476870), (5, 381496), (8, 238435), (10, 190748), (20, 95374), (40, 47687), (43, 44360), (86, 22180), (172, 11090), (215, 8872), (344, 5545), (430, 4436), (860, 2218), (1109, 1720)]