208598200

素因数分解:

$2^3\times 5^2\times {\mathrm{89}}^1\times {\mathrm{11719}}^1$

素因数の和:11824

約数の個数: 48

約数和(自身を含む): 490482000

約数和(自身を除く): 281883800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 89, 100, 178, 200, 356, 445, 712, 890, 1780, 2225, 3560, 4450, 8900, 11719, 17800, 23438, 46876, 58595, 93752, 117190, 234380, 292975, 468760, 585950, 1042991, 1171900, 2085982, 2343800, 4171964, 5214955, 8343928, 10429910, 20859820, 26074775, 41719640, 52149550, 104299100, 208598200]

約数ペア:

[(1, 208598200), (2, 104299100), (4, 52149550), (5, 41719640), (8, 26074775), (10, 20859820), (20, 10429910), (25, 8343928), (40, 5214955), (50, 4171964), (89, 2343800), (100, 2085982), (178, 1171900), (200, 1042991), (356, 585950), (445, 468760), (712, 292975), (890, 234380), (1780, 117190), (2225, 93752), (3560, 58595), (4450, 46876), (8900, 23438), (11719, 17800)]