3971180

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 8890560

約数和(自身を除く): 4919380

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 89, 92, 97, 115, 178, 194, 230, 356, 388, 445, 460, 485, 890, 970, 1780, 1940, 2047, 2231, 4094, 4462, 8188, 8633, 8924, 10235, 11155, 17266, 20470, 22310, 34532, 40940, 43165, 44620, 86330, 172660, 198559, 397118, 794236, 992795, 1985590, 3971180]

約数ペア:

[(1, 3971180), (2, 1985590), (4, 992795), (5, 794236), (10, 397118), (20, 198559), (23, 172660), (46, 86330), (89, 44620), (92, 43165), (97, 40940), (115, 34532), (178, 22310), (194, 20470), (230, 17266), (356, 11155), (388, 10235), (445, 8924), (460, 8633), (485, 8188), (890, 4462), (970, 4094), (1780, 2231), (1940, 2047)]