2297043640

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{291503}}^1$

素因数の和:291711

約数の個数: 32

約数和(自身を含む): 5194601280

約数和(自身を除く): 2897557640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 291503, 583006, 1166012, 1457515, 2332024, 2915030, 5830060, 11660120, 57426091, 114852182, 229704364, 287130455, 459408728, 574260910, 1148521820, 2297043640]

約数ペア:

[(1, 2297043640), (2, 1148521820), (4, 574260910), (5, 459408728), (8, 287130455), (10, 229704364), (20, 114852182), (40, 57426091), (197, 11660120), (394, 5830060), (788, 2915030), (985, 2332024), (1576, 1457515), (1970, 1166012), (3940, 583006), (7880, 291503)]