131318440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{298451}}^1$

素因数の和:298473

約数の個数: 32

約数和(自身を含む): 322328160

約数和(自身を除く): 191009720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 298451, 596902, 1193804, 1492255, 2387608, 2984510, 3282961, 5969020, 6565922, 11938040, 13131844, 16414805, 26263688, 32829610, 65659220, 131318440]

約数ペア:

[(1, 131318440), (2, 65659220), (4, 32829610), (5, 26263688), (8, 16414805), (10, 13131844), (11, 11938040), (20, 6565922), (22, 5969020), (40, 3282961), (44, 2984510), (55, 2387608), (88, 1492255), (110, 1193804), (220, 596902), (440, 298451)]