3778157020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{661}}^1\times {\mathrm{25981}}^1$

素因数の和:26662

約数の個数: 48

約数和(自身を含む): 8668842336

約数和(自身を除く): 4890685316

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 661, 1322, 2644, 3305, 6610, 7271, 13220, 14542, 25981, 29084, 36355, 51962, 72710, 103924, 129905, 145420, 259810, 285791, 519620, 571582, 1143164, 1428955, 2857910, 5715820, 17173441, 34346882, 68693764, 85867205, 171734410, 188907851, 343468820, 377815702, 755631404, 944539255, 1889078510, 3778157020]

約数ペア:

[(1, 3778157020), (2, 1889078510), (4, 944539255), (5, 755631404), (10, 377815702), (11, 343468820), (20, 188907851), (22, 171734410), (44, 85867205), (55, 68693764), (110, 34346882), (220, 17173441), (661, 5715820), (1322, 2857910), (2644, 1428955), (3305, 1143164), (6610, 571582), (7271, 519620), (13220, 285791), (14542, 259810), (25981, 145420), (29084, 129905), (36355, 103924), (51962, 72710)]