2018978500

素因数分解:

$2^2\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{229}}^2$

素因数の和:495

約数の個数: 144

約数和(自身を含む): 5521606272

約数和(自身を除く): 3502627772

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 35, 44, 50, 55, 70, 77, 100, 110, 125, 140, 154, 175, 220, 229, 250, 275, 308, 350, 385, 458, 500, 550, 700, 770, 875, 916, 1100, 1145, 1375, 1540, 1603, 1750, 1925, 2290, 2519, 2750, 3206, 3500, 3850, 4580, 5038, 5500, 5725, 6412, 7700, 8015, 9625, 10076, 11450, 12595, 16030, 17633, 19250, 22900, 25190, 28625, 32060, 35266, 38500, 40075, 50380, 52441, 57250, 62975, 70532, 80150, 88165, 104882, 114500, 125950, 160300, 176330, 200375, 209764, 251900, 262205, 314875, 352660, 367087, 400750, 440825, 524410, 576851, 629750, 734174, 801500, 881650, 1048820, 1153702, 1259500, 1311025, 1468348, 1763300, 1835435, 2204125, 2307404, 2622050, 2884255, 3670870, 4037957, 4408250, 5244100, 5768510, 6555125, 7341740, 8075914, 8816500, 9177175, 11537020, 13110250, 14421275, 16151828, 18354350, 20189785, 26220500, 28842550, 36708700, 40379570, 45885875, 57685100, 72106375, 80759140, 91771750, 100948925, 144212750, 183543500, 201897850, 288425500, 403795700, 504744625, 1009489250, 2018978500]

約数ペア:

[(1, 2018978500), (2, 1009489250), (4, 504744625), (5, 403795700), (7, 288425500), (10, 201897850), (11, 183543500), (14, 144212750), (20, 100948925), (22, 91771750), (25, 80759140), (28, 72106375), (35, 57685100), (44, 45885875), (50, 40379570), (55, 36708700), (70, 28842550), (77, 26220500), (100, 20189785), (110, 18354350), (125, 16151828), (140, 14421275), (154, 13110250), (175, 11537020), (220, 9177175), (229, 8816500), (250, 8075914), (275, 7341740), (308, 6555125), (350, 5768510), (385, 5244100), (458, 4408250), (500, 4037957), (550, 3670870), (700, 2884255), (770, 2622050), (875, 2307404), (916, 2204125), (1100, 1835435), (1145, 1763300), (1375, 1468348), (1540, 1311025), (1603, 1259500), (1750, 1153702), (1925, 1048820), (2290, 881650), (2519, 801500), (2750, 734174), (3206, 629750), (3500, 576851), (3850, 524410), (4580, 440825), (5038, 400750), (5500, 367087), (5725, 352660), (6412, 314875), (7700, 262205), (8015, 251900), (9625, 209764), (10076, 200375), (11450, 176330), (12595, 160300), (16030, 125950), (17633, 114500), (19250, 104882), (22900, 88165), (25190, 80150), (28625, 70532), (32060, 62975), (35266, 57250), (38500, 52441), (40075, 50380)]