4300000

素因数分解:

$2^5\times 5^5\times {\mathrm{43}}^1$

素因数の和:78

約数の個数: 72

約数和(自身を含む): 10827432

約数和(自身を除く): 6527432

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 80, 86, 100, 125, 160, 172, 200, 215, 250, 344, 400, 430, 500, 625, 688, 800, 860, 1000, 1075, 1250, 1376, 1720, 2000, 2150, 2500, 3125, 3440, 4000, 4300, 5000, 5375, 6250, 6880, 8600, 10000, 10750, 12500, 17200, 20000, 21500, 25000, 26875, 34400, 43000, 50000, 53750, 86000, 100000, 107500, 134375, 172000, 215000, 268750, 430000, 537500, 860000, 1075000, 2150000, 4300000]

約数ペア:

[(1, 4300000), (2, 2150000), (4, 1075000), (5, 860000), (8, 537500), (10, 430000), (16, 268750), (20, 215000), (25, 172000), (32, 134375), (40, 107500), (43, 100000), (50, 86000), (80, 53750), (86, 50000), (100, 43000), (125, 34400), (160, 26875), (172, 25000), (200, 21500), (215, 20000), (250, 17200), (344, 12500), (400, 10750), (430, 10000), (500, 8600), (625, 6880), (688, 6250), (800, 5375), (860, 5000), (1000, 4300), (1075, 4000), (1250, 3440), (1376, 3125), (1720, 2500), (2000, 2150)]