30820900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{28019}}^1$

素因数の和:28044

約数の個数: 36

約数和(自身を含む): 72964080

約数和(自身を除く): 42143180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 28019, 56038, 112076, 140095, 280190, 308209, 560380, 616418, 700475, 1232836, 1400950, 1541045, 2801900, 3082090, 6164180, 7705225, 15410450, 30820900]

約数ペア:

[(1, 30820900), (2, 15410450), (4, 7705225), (5, 6164180), (10, 3082090), (11, 2801900), (20, 1541045), (22, 1400950), (25, 1232836), (44, 700475), (50, 616418), (55, 560380), (100, 308209), (110, 280190), (220, 140095), (275, 112076), (550, 56038), (1100, 28019)]