68616820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{3469}}^1$

素因数の和:3544

約数の個数: 48

約数和(自身を含む): 153901440

約数和(自身を除く): 85284620

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 860, 989, 1978, 3469, 3956, 4945, 6938, 9890, 13876, 17345, 19780, 34690, 69380, 79787, 149167, 159574, 298334, 319148, 398935, 596668, 745835, 797870, 1491670, 1595740, 2983340, 3430841, 6861682, 13723364, 17154205, 34308410, 68616820]

約数ペア:

[(1, 68616820), (2, 34308410), (4, 17154205), (5, 13723364), (10, 6861682), (20, 3430841), (23, 2983340), (43, 1595740), (46, 1491670), (86, 797870), (92, 745835), (115, 596668), (172, 398935), (215, 319148), (230, 298334), (430, 159574), (460, 149167), (860, 79787), (989, 69380), (1978, 34690), (3469, 19780), (3956, 17345), (4945, 13876), (6938, 9890)]