201739820

素因数分解:

$2^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{51203}}^1$

素因数の和:51409

約数の個数: 24

約数和(自身を含む): 425812464

約数和(自身を除く): 224072644

約数列:

[1, 2, 4, 5, 10, 20, 197, 394, 788, 985, 1970, 3940, 51203, 102406, 204812, 256015, 512030, 1024060, 10086991, 20173982, 40347964, 50434955, 100869910, 201739820]

約数ペア:

[(1, 201739820), (2, 100869910), (4, 50434955), (5, 40347964), (10, 20173982), (20, 10086991), (197, 1024060), (394, 512030), (788, 256015), (985, 204812), (1970, 102406), (3940, 51203)]