30950120

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1949}}^1$

素因数の和:2357

約数の個数: 32

約数和(自身を含む): 69849000

約数和(自身を除く): 38898880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1588, 1949, 1985, 3176, 3898, 3970, 7796, 7940, 9745, 15592, 15880, 19490, 38980, 77960, 773753, 1547506, 3095012, 3868765, 6190024, 7737530, 15475060, 30950120]

約数ペア:

[(1, 30950120), (2, 15475060), (4, 7737530), (5, 6190024), (8, 3868765), (10, 3095012), (20, 1547506), (40, 773753), (397, 77960), (794, 38980), (1588, 19490), (1949, 15880), (1985, 15592), (3176, 9745), (3898, 7940), (3970, 7796)]