44977500

素因数分解:

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

素因数の和:2029

約数の個数: 90

約数和(自身を含む): 142142000

約数和(自身を除く): 97164500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 125, 150, 180, 225, 250, 300, 375, 450, 500, 625, 750, 900, 1125, 1250, 1500, 1875, 1999, 2250, 2500, 3750, 3998, 4500, 5625, 5997, 7500, 7996, 9995, 11250, 11994, 17991, 19990, 22500, 23988, 29985, 35982, 39980, 49975, 59970, 71964, 89955, 99950, 119940, 149925, 179910, 199900, 249875, 299850, 359820, 449775, 499750, 599700, 749625, 899550, 999500, 1249375, 1499250, 1799100, 2248875, 2498750, 2998500, 3748125, 4497750, 4997500, 7496250, 8995500, 11244375, 14992500, 22488750, 44977500]

約数ペア:

[(1, 44977500), (2, 22488750), (3, 14992500), (4, 11244375), (5, 8995500), (6, 7496250), (9, 4997500), (10, 4497750), (12, 3748125), (15, 2998500), (18, 2498750), (20, 2248875), (25, 1799100), (30, 1499250), (36, 1249375), (45, 999500), (50, 899550), (60, 749625), (75, 599700), (90, 499750), (100, 449775), (125, 359820), (150, 299850), (180, 249875), (225, 199900), (250, 179910), (300, 149925), (375, 119940), (450, 99950), (500, 89955), (625, 71964), (750, 59970), (900, 49975), (1125, 39980), (1250, 35982), (1500, 29985), (1875, 23988), (1999, 22500), (2250, 19990), (2500, 17991), (3750, 11994), (3998, 11250), (4500, 9995), (5625, 7996), (5997, 7500)]