201821180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{863}}^1\times {\mathrm{1063}}^1$

素因数の和:1946

約数の個数: 48

約数和(自身を含む): 463325184

約数和(自身を除く): 261504004

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 863, 1063, 1726, 2126, 3452, 4252, 4315, 5315, 8630, 9493, 10630, 11693, 17260, 18986, 21260, 23386, 37972, 46772, 47465, 58465, 94930, 116930, 189860, 233860, 917369, 1834738, 3669476, 4586845, 9173690, 10091059, 18347380, 20182118, 40364236, 50455295, 100910590, 201821180]

約数ペア:

[(1, 201821180), (2, 100910590), (4, 50455295), (5, 40364236), (10, 20182118), (11, 18347380), (20, 10091059), (22, 9173690), (44, 4586845), (55, 3669476), (110, 1834738), (220, 917369), (863, 233860), (1063, 189860), (1726, 116930), (2126, 94930), (3452, 58465), (4252, 47465), (4315, 46772), (5315, 37972), (8630, 23386), (9493, 21260), (10630, 18986), (11693, 17260)]