308702020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1031}}^1\times {\mathrm{1361}}^1$

素因数の和:2412

約数の個数: 48

約数和(自身を含む): 708414336

約数和(自身を除く): 399712316

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 1031, 1361, 2062, 2722, 4124, 5155, 5444, 6805, 10310, 11341, 13610, 14971, 20620, 22682, 27220, 29942, 45364, 56705, 59884, 74855, 113410, 149710, 226820, 299420, 1403191, 2806382, 5612764, 7015955, 14031910, 15435101, 28063820, 30870202, 61740404, 77175505, 154351010, 308702020]

約数ペア:

[(1, 308702020), (2, 154351010), (4, 77175505), (5, 61740404), (10, 30870202), (11, 28063820), (20, 15435101), (22, 14031910), (44, 7015955), (55, 5612764), (110, 2806382), (220, 1403191), (1031, 299420), (1361, 226820), (2062, 149710), (2722, 113410), (4124, 74855), (5155, 59884), (5444, 56705), (6805, 45364), (10310, 29942), (11341, 27220), (13610, 22682), (14971, 20620)]