2500500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{1667}}^1$

素因数の和:1689

約数の個数: 48

約数和(自身を含む): 7285824

約数和(自身を除く): 4785324

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 125, 150, 250, 300, 375, 500, 750, 1500, 1667, 3334, 5001, 6668, 8335, 10002, 16670, 20004, 25005, 33340, 41675, 50010, 83350, 100020, 125025, 166700, 208375, 250050, 416750, 500100, 625125, 833500, 1250250, 2500500]

約数ペア:

[(1, 2500500), (2, 1250250), (3, 833500), (4, 625125), (5, 500100), (6, 416750), (10, 250050), (12, 208375), (15, 166700), (20, 125025), (25, 100020), (30, 83350), (50, 50010), (60, 41675), (75, 33340), (100, 25005), (125, 20004), (150, 16670), (250, 10002), (300, 8335), (375, 6668), (500, 5001), (750, 3334), (1500, 1667)]