16191900

素因数分解:

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

素因数の和:2025

約数の個数: 90

約数和(自身を含む): 52514000

約数和(自身を除く): 36322100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 45, 50, 54, 60, 75, 81, 90, 100, 108, 135, 150, 162, 180, 225, 270, 300, 324, 405, 450, 540, 675, 810, 900, 1350, 1620, 1999, 2025, 2700, 3998, 4050, 5997, 7996, 8100, 9995, 11994, 17991, 19990, 23988, 29985, 35982, 39980, 49975, 53973, 59970, 71964, 89955, 99950, 107946, 119940, 149925, 161919, 179910, 199900, 215892, 269865, 299850, 323838, 359820, 449775, 539730, 599700, 647676, 809595, 899550, 1079460, 1349325, 1619190, 1799100, 2698650, 3238380, 4047975, 5397300, 8095950, 16191900]

約数ペア:

[(1, 16191900), (2, 8095950), (3, 5397300), (4, 4047975), (5, 3238380), (6, 2698650), (9, 1799100), (10, 1619190), (12, 1349325), (15, 1079460), (18, 899550), (20, 809595), (25, 647676), (27, 599700), (30, 539730), (36, 449775), (45, 359820), (50, 323838), (54, 299850), (60, 269865), (75, 215892), (81, 199900), (90, 179910), (100, 161919), (108, 149925), (135, 119940), (150, 107946), (162, 99950), (180, 89955), (225, 71964), (270, 59970), (300, 53973), (324, 49975), (405, 39980), (450, 35982), (540, 29985), (675, 23988), (810, 19990), (900, 17991), (1350, 11994), (1620, 9995), (1999, 8100), (2025, 7996), (2700, 5997), (3998, 4050)]