2838281380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{12901279}}^1$

素因数の和:12901299

約数の個数: 24

約数和(自身を含む): 6502245120

約数和(自身を除く): 3663963740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 12901279, 25802558, 51605116, 64506395, 129012790, 141914069, 258025580, 283828138, 567656276, 709570345, 1419140690, 2838281380]

約数ペア:

[(1, 2838281380), (2, 1419140690), (4, 709570345), (5, 567656276), (10, 283828138), (11, 258025580), (20, 141914069), (22, 129012790), (44, 64506395), (55, 51605116), (110, 25802558), (220, 12901279)]