2497500

素因数分解:

$2^2\times 3^3\times 5^4\times {\mathrm{37}}^1$

素因数の和:70

約数の個数: 120

約数和(自身を含む): 8309840

約数和(自身を除く): 5812340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 27, 30, 36, 37, 45, 50, 54, 60, 74, 75, 90, 100, 108, 111, 125, 135, 148, 150, 180, 185, 222, 225, 250, 270, 300, 333, 370, 375, 444, 450, 500, 540, 555, 625, 666, 675, 740, 750, 900, 925, 999, 1110, 1125, 1250, 1332, 1350, 1500, 1665, 1850, 1875, 1998, 2220, 2250, 2500, 2700, 2775, 3330, 3375, 3700, 3750, 3996, 4500, 4625, 4995, 5550, 5625, 6660, 6750, 7500, 8325, 9250, 9990, 11100, 11250, 13500, 13875, 16650, 16875, 18500, 19980, 22500, 23125, 24975, 27750, 33300, 33750, 41625, 46250, 49950, 55500, 67500, 69375, 83250, 92500, 99900, 124875, 138750, 166500, 208125, 249750, 277500, 416250, 499500, 624375, 832500, 1248750, 2497500]

約数ペア:

[(1, 2497500), (2, 1248750), (3, 832500), (4, 624375), (5, 499500), (6, 416250), (9, 277500), (10, 249750), (12, 208125), (15, 166500), (18, 138750), (20, 124875), (25, 99900), (27, 92500), (30, 83250), (36, 69375), (37, 67500), (45, 55500), (50, 49950), (54, 46250), (60, 41625), (74, 33750), (75, 33300), (90, 27750), (100, 24975), (108, 23125), (111, 22500), (125, 19980), (135, 18500), (148, 16875), (150, 16650), (180, 13875), (185, 13500), (222, 11250), (225, 11100), (250, 9990), (270, 9250), (300, 8325), (333, 7500), (370, 6750), (375, 6660), (444, 5625), (450, 5550), (500, 4995), (540, 4625), (555, 4500), (625, 3996), (666, 3750), (675, 3700), (740, 3375), (750, 3330), (900, 2775), (925, 2700), (999, 2500), (1110, 2250), (1125, 2220), (1250, 1998), (1332, 1875), (1350, 1850), (1500, 1665)]