340454960

素因数分解:

$2^4\times 5^1\times {\mathrm{109}}^1\times {\mathrm{39043}}^1$

素因数の和:39165

約数の個数: 40

約数和(自身を含む): 798840240

約数和(自身を除く): 458385280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 109, 218, 436, 545, 872, 1090, 1744, 2180, 4360, 8720, 39043, 78086, 156172, 195215, 312344, 390430, 624688, 780860, 1561720, 3123440, 4255687, 8511374, 17022748, 21278435, 34045496, 42556870, 68090992, 85113740, 170227480, 340454960]

約数ペア:

[(1, 340454960), (2, 170227480), (4, 85113740), (5, 68090992), (8, 42556870), (10, 34045496), (16, 21278435), (20, 17022748), (40, 8511374), (80, 4255687), (109, 3123440), (218, 1561720), (436, 780860), (545, 624688), (872, 390430), (1090, 312344), (1744, 195215), (2180, 156172), (4360, 78086), (8720, 39043)]