2838440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{6451}}^1$

素因数の和:6473

約数の個数: 32

約数和(自身を含む): 6968160

約数和(自身を除く): 4129720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 6451, 12902, 25804, 32255, 51608, 64510, 70961, 129020, 141922, 258040, 283844, 354805, 567688, 709610, 1419220, 2838440]

約数ペア:

[(1, 2838440), (2, 1419220), (4, 709610), (5, 567688), (8, 354805), (10, 283844), (11, 258040), (20, 141922), (22, 129020), (40, 70961), (44, 64510), (55, 51608), (88, 32255), (110, 25804), (220, 12902), (440, 6451)]