142758440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{324451}}^1$

素因数の和:324473

約数の個数: 32

約数和(自身を含む): 350408160

約数和(自身を除く): 207649720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 324451, 648902, 1297804, 1622255, 2595608, 3244510, 3568961, 6489020, 7137922, 12978040, 14275844, 17844805, 28551688, 35689610, 71379220, 142758440]

約数ペア:

[(1, 142758440), (2, 71379220), (4, 35689610), (5, 28551688), (8, 17844805), (10, 14275844), (11, 12978040), (20, 7137922), (22, 6489020), (40, 3568961), (44, 3244510), (55, 2595608), (88, 1622255), (110, 1297804), (220, 648902), (440, 324451)]