3896660

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 8781696

約数和(自身を除く): 4885036

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 197, 215, 230, 394, 430, 460, 788, 860, 985, 989, 1970, 1978, 3940, 3956, 4531, 4945, 8471, 9062, 9890, 16942, 18124, 19780, 22655, 33884, 42355, 45310, 84710, 90620, 169420, 194833, 389666, 779332, 974165, 1948330, 3896660]

約数ペア:

[(1, 3896660), (2, 1948330), (4, 974165), (5, 779332), (10, 389666), (20, 194833), (23, 169420), (43, 90620), (46, 84710), (86, 45310), (92, 42355), (115, 33884), (172, 22655), (197, 19780), (215, 18124), (230, 16942), (394, 9890), (430, 9062), (460, 8471), (788, 4945), (860, 4531), (985, 3956), (989, 3940), (1970, 1978)]