2490000

素因数分解:

$2^4\times 3^1\times 5^4\times {\mathrm{83}}^1$

素因数の和:114

約数の個数: 100

約数和(自身を含む): 8134896

約数和(自身を除く): 5644896

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 40, 48, 50, 60, 75, 80, 83, 100, 120, 125, 150, 166, 200, 240, 249, 250, 300, 332, 375, 400, 415, 498, 500, 600, 625, 664, 750, 830, 996, 1000, 1200, 1245, 1250, 1328, 1500, 1660, 1875, 1992, 2000, 2075, 2490, 2500, 3000, 3320, 3750, 3984, 4150, 4980, 5000, 6000, 6225, 6640, 7500, 8300, 9960, 10000, 10375, 12450, 15000, 16600, 19920, 20750, 24900, 30000, 31125, 33200, 41500, 49800, 51875, 62250, 83000, 99600, 103750, 124500, 155625, 166000, 207500, 249000, 311250, 415000, 498000, 622500, 830000, 1245000, 2490000]

約数ペア:

[(1, 2490000), (2, 1245000), (3, 830000), (4, 622500), (5, 498000), (6, 415000), (8, 311250), (10, 249000), (12, 207500), (15, 166000), (16, 155625), (20, 124500), (24, 103750), (25, 99600), (30, 83000), (40, 62250), (48, 51875), (50, 49800), (60, 41500), (75, 33200), (80, 31125), (83, 30000), (100, 24900), (120, 20750), (125, 19920), (150, 16600), (166, 15000), (200, 12450), (240, 10375), (249, 10000), (250, 9960), (300, 8300), (332, 7500), (375, 6640), (400, 6225), (415, 6000), (498, 5000), (500, 4980), (600, 4150), (625, 3984), (664, 3750), (750, 3320), (830, 3000), (996, 2500), (1000, 2490), (1200, 2075), (1245, 2000), (1250, 1992), (1328, 1875), (1500, 1660)]