2939480

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1709}}^1$

素因数の和:1763

約数の個数: 32

約数和(自身を含む): 6771600

約数和(自身を除く): 3832120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1709, 1720, 3418, 6836, 8545, 13672, 17090, 34180, 68360, 73487, 146974, 293948, 367435, 587896, 734870, 1469740, 2939480]

約数ペア:

[(1, 2939480), (2, 1469740), (4, 734870), (5, 587896), (8, 367435), (10, 293948), (20, 146974), (40, 73487), (43, 68360), (86, 34180), (172, 17090), (215, 13672), (344, 8545), (430, 6836), (860, 3418), (1709, 1720)]