119940000

素因数分解:

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

素因数の和:2032

約数の個数: 120

約数和(自身を含む): 393624000

約数和(自身を除く): 273684000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 120, 125, 150, 160, 200, 240, 250, 300, 375, 400, 480, 500, 600, 625, 750, 800, 1000, 1200, 1250, 1500, 1875, 1999, 2000, 2400, 2500, 3000, 3750, 3998, 4000, 5000, 5997, 6000, 7500, 7996, 9995, 10000, 11994, 12000, 15000, 15992, 19990, 20000, 23988, 29985, 30000, 31984, 39980, 47976, 49975, 59970, 60000, 63968, 79960, 95952, 99950, 119940, 149925, 159920, 191904, 199900, 239880, 249875, 299850, 319840, 399800, 479760, 499750, 599700, 749625, 799600, 959520, 999500, 1199400, 1249375, 1499250, 1599200, 1999000, 2398800, 2498750, 2998500, 3748125, 3998000, 4797600, 4997500, 5997000, 7496250, 7996000, 9995000, 11994000, 14992500, 19990000, 23988000, 29985000, 39980000, 59970000, 119940000]

約数ペア:

[(1, 119940000), (2, 59970000), (3, 39980000), (4, 29985000), (5, 23988000), (6, 19990000), (8, 14992500), (10, 11994000), (12, 9995000), (15, 7996000), (16, 7496250), (20, 5997000), (24, 4997500), (25, 4797600), (30, 3998000), (32, 3748125), (40, 2998500), (48, 2498750), (50, 2398800), (60, 1999000), (75, 1599200), (80, 1499250), (96, 1249375), (100, 1199400), (120, 999500), (125, 959520), (150, 799600), (160, 749625), (200, 599700), (240, 499750), (250, 479760), (300, 399800), (375, 319840), (400, 299850), (480, 249875), (500, 239880), (600, 199900), (625, 191904), (750, 159920), (800, 149925), (1000, 119940), (1200, 99950), (1250, 95952), (1500, 79960), (1875, 63968), (1999, 60000), (2000, 59970), (2400, 49975), (2500, 47976), (3000, 39980), (3750, 31984), (3998, 30000), (4000, 29985), (5000, 23988), (5997, 20000), (6000, 19990), (7500, 15992), (7996, 15000), (9995, 12000), (10000, 11994)]