90620420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{3779}}^1$

素因数の和:3908

約数の個数: 48

約数和(自身を含む): 209563200

約数和(自身を除く): 118942780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 436, 545, 1090, 1199, 2180, 2398, 3779, 4796, 5995, 7558, 11990, 15116, 18895, 23980, 37790, 41569, 75580, 83138, 166276, 207845, 411911, 415690, 823822, 831380, 1647644, 2059555, 4119110, 4531021, 8238220, 9062042, 18124084, 22655105, 45310210, 90620420]

約数ペア:

[(1, 90620420), (2, 45310210), (4, 22655105), (5, 18124084), (10, 9062042), (11, 8238220), (20, 4531021), (22, 4119110), (44, 2059555), (55, 1647644), (109, 831380), (110, 823822), (218, 415690), (220, 411911), (436, 207845), (545, 166276), (1090, 83138), (1199, 75580), (2180, 41569), (2398, 37790), (3779, 23980), (4796, 18895), (5995, 15116), (7558, 11990)]