85437880

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{701}}^1$

素因数の和:1000

約数の個数: 64

約数和(自身を含む): 210768480

約数和(自身を除く): 125330600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 277, 440, 554, 701, 1108, 1385, 1402, 2216, 2770, 2804, 3047, 3505, 5540, 5608, 6094, 7010, 7711, 11080, 12188, 14020, 15235, 15422, 24376, 28040, 30470, 30844, 38555, 60940, 61688, 77110, 121880, 154220, 194177, 308440, 388354, 776708, 970885, 1553416, 1941770, 2135947, 3883540, 4271894, 7767080, 8543788, 10679735, 17087576, 21359470, 42718940, 85437880]

約数ペア:

[(1, 85437880), (2, 42718940), (4, 21359470), (5, 17087576), (8, 10679735), (10, 8543788), (11, 7767080), (20, 4271894), (22, 3883540), (40, 2135947), (44, 1941770), (55, 1553416), (88, 970885), (110, 776708), (220, 388354), (277, 308440), (440, 194177), (554, 154220), (701, 121880), (1108, 77110), (1385, 61688), (1402, 60940), (2216, 38555), (2770, 30844), (2804, 30470), (3047, 28040), (3505, 24376), (5540, 15422), (5608, 15235), (6094, 14020), (7010, 12188), (7711, 11080)]