98720000

素因数分解:

$2^8\times 5^4\times {\mathrm{617}}^1$

素因数の和:653

約数の個数: 90

約数和(自身を含む): 246638238

約数和(自身を除く): 147918238

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 256, 320, 400, 500, 617, 625, 640, 800, 1000, 1234, 1250, 1280, 1600, 2000, 2468, 2500, 3085, 3200, 4000, 4936, 5000, 6170, 6400, 8000, 9872, 10000, 12340, 15425, 16000, 19744, 20000, 24680, 30850, 32000, 39488, 40000, 49360, 61700, 77125, 78976, 80000, 98720, 123400, 154250, 157952, 160000, 197440, 246800, 308500, 385625, 394880, 493600, 617000, 771250, 789760, 987200, 1234000, 1542500, 1974400, 2468000, 3085000, 3948800, 4936000, 6170000, 9872000, 12340000, 19744000, 24680000, 49360000, 98720000]

約数ペア:

[(1, 98720000), (2, 49360000), (4, 24680000), (5, 19744000), (8, 12340000), (10, 9872000), (16, 6170000), (20, 4936000), (25, 3948800), (32, 3085000), (40, 2468000), (50, 1974400), (64, 1542500), (80, 1234000), (100, 987200), (125, 789760), (128, 771250), (160, 617000), (200, 493600), (250, 394880), (256, 385625), (320, 308500), (400, 246800), (500, 197440), (617, 160000), (625, 157952), (640, 154250), (800, 123400), (1000, 98720), (1234, 80000), (1250, 78976), (1280, 77125), (1600, 61700), (2000, 49360), (2468, 40000), (2500, 39488), (3085, 32000), (3200, 30850), (4000, 24680), (4936, 20000), (5000, 19744), (6170, 16000), (6400, 15425), (8000, 12340), (9872, 10000)]