2911960

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1693}}^1$

素因数の和:1747

約数の個数: 32

約数和(自身を含む): 6708240

約数和(自身を除く): 3796280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1693, 1720, 3386, 6772, 8465, 13544, 16930, 33860, 67720, 72799, 145598, 291196, 363995, 582392, 727990, 1455980, 2911960]

約数ペア:

[(1, 2911960), (2, 1455980), (4, 727990), (5, 582392), (8, 363995), (10, 291196), (20, 145598), (40, 72799), (43, 67720), (86, 33860), (172, 16930), (215, 13544), (344, 8465), (430, 6772), (860, 3386), (1693, 1720)]