30345880

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{3851}}^1$

素因数の和:4059

約数の個数: 32

約数和(自身を含む): 68642640

約数和(自身を除く): 38296760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3851, 3940, 7702, 7880, 15404, 19255, 30808, 38510, 77020, 154040, 758647, 1517294, 3034588, 3793235, 6069176, 7586470, 15172940, 30345880]

約数ペア:

[(1, 30345880), (2, 15172940), (4, 7586470), (5, 6069176), (8, 3793235), (10, 3034588), (20, 1517294), (40, 758647), (197, 154040), (394, 77020), (788, 38510), (985, 30808), (1576, 19255), (1970, 15404), (3851, 7880), (3940, 7702)]