42790220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{2903}}^1$

素因数の和:2990

約数の個数: 48

約数和(自身を含む): 99525888

約数和(自身を除く): 56735668

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 67, 110, 134, 220, 268, 335, 670, 737, 1340, 1474, 2903, 2948, 3685, 5806, 7370, 11612, 14515, 14740, 29030, 31933, 58060, 63866, 127732, 159665, 194501, 319330, 389002, 638660, 778004, 972505, 1945010, 2139511, 3890020, 4279022, 8558044, 10697555, 21395110, 42790220]

約数ペア:

[(1, 42790220), (2, 21395110), (4, 10697555), (5, 8558044), (10, 4279022), (11, 3890020), (20, 2139511), (22, 1945010), (44, 972505), (55, 778004), (67, 638660), (110, 389002), (134, 319330), (220, 194501), (268, 159665), (335, 127732), (670, 63866), (737, 58060), (1340, 31933), (1474, 29030), (2903, 14740), (2948, 14515), (3685, 11612), (5806, 7370)]