207823180

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{52747}}^1$

素因数の和:52953

約数の個数: 24

約数和(自身を含む): 438652368

約数和(自身を除く): 230829188

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 52747, 105494, 210988, 263735, 527470, 1054940, 10391159, 20782318, 41564636, 51955795, 103911590, 207823180]

約数ペア:

[(1, 207823180), (2, 103911590), (4, 51955795), (5, 41564636), (10, 20782318), (20, 10391159), (197, 1054940), (394, 527470), (788, 263735), (985, 210988), (1970, 105494), (3940, 52747)]