870996820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{433}}^1\times {\mathrm{2339}}^1$

素因数の和:2824

約数の個数: 48

約数和(自身を含む): 1876754880

約数和(自身を除く): 1005758060

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 433, 860, 866, 1732, 2165, 2339, 4330, 4678, 8660, 9356, 11695, 18619, 23390, 37238, 46780, 74476, 93095, 100577, 186190, 201154, 372380, 402308, 502885, 1005770, 1012787, 2011540, 2025574, 4051148, 5063935, 10127870, 20255740, 43549841, 87099682, 174199364, 217749205, 435498410, 870996820]

約数ペア:

[(1, 870996820), (2, 435498410), (4, 217749205), (5, 174199364), (10, 87099682), (20, 43549841), (43, 20255740), (86, 10127870), (172, 5063935), (215, 4051148), (430, 2025574), (433, 2011540), (860, 1012787), (866, 1005770), (1732, 502885), (2165, 402308), (2339, 372380), (4330, 201154), (4678, 186190), (8660, 100577), (9356, 93095), (11695, 74476), (18619, 46780), (23390, 37238)]