219954520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{239081}}^1$

素因数の和:239115

約数の個数: 32

約数和(自身を含む): 516417120

約数和(自身を除く): 296462600

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 239081, 478162, 956324, 1195405, 1912648, 2390810, 4781620, 5498863, 9563240, 10997726, 21995452, 27494315, 43990904, 54988630, 109977260, 219954520]

約数ペア:

[(1, 219954520), (2, 109977260), (4, 54988630), (5, 43990904), (8, 27494315), (10, 21995452), (20, 10997726), (23, 9563240), (40, 5498863), (46, 4781620), (92, 2390810), (115, 1912648), (184, 1195405), (230, 956324), (460, 478162), (920, 239081)]