19994400

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{2777}}^1$

素因数の和:2803

約数の個数: 108

約数和(自身を含む): 70530642

約数和(自身を除く): 50536242

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 96, 100, 120, 144, 150, 160, 180, 200, 225, 240, 288, 300, 360, 400, 450, 480, 600, 720, 800, 900, 1200, 1440, 1800, 2400, 2777, 3600, 5554, 7200, 8331, 11108, 13885, 16662, 22216, 24993, 27770, 33324, 41655, 44432, 49986, 55540, 66648, 69425, 83310, 88864, 99972, 111080, 124965, 133296, 138850, 166620, 199944, 208275, 222160, 249930, 266592, 277700, 333240, 399888, 416550, 444320, 499860, 555400, 624825, 666480, 799776, 833100, 999720, 1110800, 1249650, 1332960, 1666200, 1999440, 2221600, 2499300, 3332400, 3998880, 4998600, 6664800, 9997200, 19994400]

約数ペア:

[(1, 19994400), (2, 9997200), (3, 6664800), (4, 4998600), (5, 3998880), (6, 3332400), (8, 2499300), (9, 2221600), (10, 1999440), (12, 1666200), (15, 1332960), (16, 1249650), (18, 1110800), (20, 999720), (24, 833100), (25, 799776), (30, 666480), (32, 624825), (36, 555400), (40, 499860), (45, 444320), (48, 416550), (50, 399888), (60, 333240), (72, 277700), (75, 266592), (80, 249930), (90, 222160), (96, 208275), (100, 199944), (120, 166620), (144, 138850), (150, 133296), (160, 124965), (180, 111080), (200, 99972), (225, 88864), (240, 83310), (288, 69425), (300, 66648), (360, 55540), (400, 49986), (450, 44432), (480, 41655), (600, 33324), (720, 27770), (800, 24993), (900, 22216), (1200, 16662), (1440, 13885), (1800, 11108), (2400, 8331), (2777, 7200), (3600, 5554)]