190030280

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{431887}}^1$

素因数の和:431909

約数の個数: 32

約数和(自身を含む): 466439040

約数和(自身を除く): 276408760

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 431887, 863774, 1727548, 2159435, 3455096, 4318870, 4750757, 8637740, 9501514, 17275480, 19003028, 23753785, 38006056, 47507570, 95015140, 190030280]

約数ペア:

[(1, 190030280), (2, 95015140), (4, 47507570), (5, 38006056), (8, 23753785), (10, 19003028), (11, 17275480), (20, 9501514), (22, 8637740), (40, 4750757), (44, 4318870), (55, 3455096), (88, 2159435), (110, 1727548), (220, 863774), (440, 431887)]