2230840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1297}}^1$

素因数の和:1351

約数の個数: 32

約数和(自身を含む): 5140080

約数和(自身を除く): 2909240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1297, 1720, 2594, 5188, 6485, 10376, 12970, 25940, 51880, 55771, 111542, 223084, 278855, 446168, 557710, 1115420, 2230840]

約数ペア:

[(1, 2230840), (2, 1115420), (4, 557710), (5, 446168), (8, 278855), (10, 223084), (20, 111542), (40, 55771), (43, 51880), (86, 25940), (172, 12970), (215, 10376), (344, 6485), (430, 5188), (860, 2594), (1297, 1720)]