3434840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1997}}^1$

素因数の和:2051

約数の個数: 32

約数和(自身を含む): 7912080

約数和(自身を除く): 4477240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 1997, 3994, 7988, 9985, 15976, 19970, 39940, 79880, 85871, 171742, 343484, 429355, 686968, 858710, 1717420, 3434840]

約数ペア:

[(1, 3434840), (2, 1717420), (4, 858710), (5, 686968), (8, 429355), (10, 343484), (20, 171742), (40, 85871), (43, 79880), (86, 39940), (172, 19970), (215, 15976), (344, 9985), (430, 7988), (860, 3994), (1720, 1997)]