1688895980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{159631}}^1$

素因数の和:159686

約数の個数: 36

約数和(自身を含む): 3707612832

約数和(自身を除く): 2018716852

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 529, 1058, 2116, 2645, 5290, 10580, 159631, 319262, 638524, 798155, 1596310, 3192620, 3671513, 7343026, 14686052, 18357565, 36715130, 73430260, 84444799, 168889598, 337779196, 422223995, 844447990, 1688895980]

約数ペア:

[(1, 1688895980), (2, 844447990), (4, 422223995), (5, 337779196), (10, 168889598), (20, 84444799), (23, 73430260), (46, 36715130), (92, 18357565), (115, 14686052), (230, 7343026), (460, 3671513), (529, 3192620), (1058, 1596310), (2116, 798155), (2645, 638524), (5290, 319262), (10580, 159631)]