7250000

素因数分解:

$2^4\times 5^6\times {\mathrm{29}}^1$

素因数の和:67

約数の個数: 70

約数和(自身を含む): 18163830

約数和(自身を除く): 10913830

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 40, 50, 58, 80, 100, 116, 125, 145, 200, 232, 250, 290, 400, 464, 500, 580, 625, 725, 1000, 1160, 1250, 1450, 2000, 2320, 2500, 2900, 3125, 3625, 5000, 5800, 6250, 7250, 10000, 11600, 12500, 14500, 15625, 18125, 25000, 29000, 31250, 36250, 50000, 58000, 62500, 72500, 90625, 125000, 145000, 181250, 250000, 290000, 362500, 453125, 725000, 906250, 1450000, 1812500, 3625000, 7250000]

約数ペア:

[(1, 7250000), (2, 3625000), (4, 1812500), (5, 1450000), (8, 906250), (10, 725000), (16, 453125), (20, 362500), (25, 290000), (29, 250000), (40, 181250), (50, 145000), (58, 125000), (80, 90625), (100, 72500), (116, 62500), (125, 58000), (145, 50000), (200, 36250), (232, 31250), (250, 29000), (290, 25000), (400, 18125), (464, 15625), (500, 14500), (580, 12500), (625, 11600), (725, 10000), (1000, 7250), (1160, 6250), (1250, 5800), (1450, 5000), (2000, 3625), (2320, 3125), (2500, 2900)]