22488750

素因数分解:

$2^1\times 3^2\times 5^4\times {\mathrm{1999}}^1$

素因数の和:2027

約数の個数: 60

約数和(自身を含む): 60918000

約数和(自身を除く): 38429250

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 125, 150, 225, 250, 375, 450, 625, 750, 1125, 1250, 1875, 1999, 2250, 3750, 3998, 5625, 5997, 9995, 11250, 11994, 17991, 19990, 29985, 35982, 49975, 59970, 89955, 99950, 149925, 179910, 249875, 299850, 449775, 499750, 749625, 899550, 1249375, 1499250, 2248875, 2498750, 3748125, 4497750, 7496250, 11244375, 22488750]

約数ペア:

[(1, 22488750), (2, 11244375), (3, 7496250), (5, 4497750), (6, 3748125), (9, 2498750), (10, 2248875), (15, 1499250), (18, 1249375), (25, 899550), (30, 749625), (45, 499750), (50, 449775), (75, 299850), (90, 249875), (125, 179910), (150, 149925), (225, 99950), (250, 89955), (375, 59970), (450, 49975), (625, 35982), (750, 29985), (1125, 19990), (1250, 17991), (1875, 11994), (1999, 11250), (2250, 9995), (3750, 5997), (3998, 5625)]