128873400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{214789}}^1$

素因数の和:214808

約数の個数: 48

約数和(自身を含む): 399509400

約数和(自身を除く): 270636000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 150, 200, 300, 600, 214789, 429578, 644367, 859156, 1073945, 1288734, 1718312, 2147890, 2577468, 3221835, 4295780, 5154936, 5369725, 6443670, 8591560, 10739450, 12887340, 16109175, 21478900, 25774680, 32218350, 42957800, 64436700, 128873400]

約数ペア:

[(1, 128873400), (2, 64436700), (3, 42957800), (4, 32218350), (5, 25774680), (6, 21478900), (8, 16109175), (10, 12887340), (12, 10739450), (15, 8591560), (20, 6443670), (24, 5369725), (25, 5154936), (30, 4295780), (40, 3221835), (50, 2577468), (60, 2147890), (75, 1718312), (100, 1288734), (120, 1073945), (150, 859156), (200, 644367), (300, 429578), (600, 214789)]