1538020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6991}}^1$

素因数の和:7011

約数の個数: 24

約数和(自身を含む): 3523968

約数和(自身を除く): 1985948

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 6991, 13982, 27964, 34955, 69910, 76901, 139820, 153802, 307604, 384505, 769010, 1538020]

約数ペア:

[(1, 1538020), (2, 769010), (4, 384505), (5, 307604), (10, 153802), (11, 139820), (20, 76901), (22, 69910), (44, 34955), (55, 27964), (110, 13982), (220, 6991)]