2798840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6361}}^1$

素因数の和:6383

約数の個数: 32

約数和(自身を含む): 6870960

約数和(自身を除く): 4072120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 6361, 12722, 25444, 31805, 50888, 63610, 69971, 127220, 139942, 254440, 279884, 349855, 559768, 699710, 1399420, 2798840]

約数ペア:

[(1, 2798840), (2, 1399420), (4, 699710), (5, 559768), (8, 349855), (10, 279884), (11, 254440), (20, 139942), (22, 127220), (40, 69971), (44, 63610), (55, 50888), (88, 31805), (110, 25444), (220, 12722), (440, 6361)]