549950000

素因数分解:

$2^4\times 5^5\times {\mathrm{17}}^1\times {\mathrm{647}}^1$

素因数の和:697

約数の個数: 120

約数和(自身を含む): 1412347104

約数和(自身を除く): 862397104

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 80, 85, 100, 125, 136, 170, 200, 250, 272, 340, 400, 425, 500, 625, 647, 680, 850, 1000, 1250, 1294, 1360, 1700, 2000, 2125, 2500, 2588, 3125, 3235, 3400, 4250, 5000, 5176, 6250, 6470, 6800, 8500, 10000, 10352, 10625, 10999, 12500, 12940, 16175, 17000, 21250, 21998, 25000, 25880, 32350, 34000, 42500, 43996, 50000, 51760, 53125, 54995, 64700, 80875, 85000, 87992, 106250, 109990, 129400, 161750, 170000, 175984, 212500, 219980, 258800, 274975, 323500, 404375, 425000, 439960, 549950, 647000, 808750, 850000, 879920, 1099900, 1294000, 1374875, 1617500, 2021875, 2199800, 2749750, 3235000, 4043750, 4399600, 5499500, 6470000, 6874375, 8087500, 10999000, 13748750, 16175000, 21998000, 27497500, 32350000, 34371875, 54995000, 68743750, 109990000, 137487500, 274975000, 549950000]

約数ペア:

[(1, 549950000), (2, 274975000), (4, 137487500), (5, 109990000), (8, 68743750), (10, 54995000), (16, 34371875), (17, 32350000), (20, 27497500), (25, 21998000), (34, 16175000), (40, 13748750), (50, 10999000), (68, 8087500), (80, 6874375), (85, 6470000), (100, 5499500), (125, 4399600), (136, 4043750), (170, 3235000), (200, 2749750), (250, 2199800), (272, 2021875), (340, 1617500), (400, 1374875), (425, 1294000), (500, 1099900), (625, 879920), (647, 850000), (680, 808750), (850, 647000), (1000, 549950), (1250, 439960), (1294, 425000), (1360, 404375), (1700, 323500), (2000, 274975), (2125, 258800), (2500, 219980), (2588, 212500), (3125, 175984), (3235, 170000), (3400, 161750), (4250, 129400), (5000, 109990), (5176, 106250), (6250, 87992), (6470, 85000), (6800, 80875), (8500, 64700), (10000, 54995), (10352, 53125), (10625, 51760), (10999, 50000), (12500, 43996), (12940, 42500), (16175, 34000), (17000, 32350), (21250, 25880), (21998, 25000)]