425000

素因数分解:

$2^3\times 5^5\times {\mathrm{17}}^1$

素因数の和:48

約数の個数: 48

約数和(自身を含む): 1054620

約数和(自身を除く): 629620

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 125, 136, 170, 200, 250, 340, 425, 500, 625, 680, 850, 1000, 1250, 1700, 2125, 2500, 3125, 3400, 4250, 5000, 6250, 8500, 10625, 12500, 17000, 21250, 25000, 42500, 53125, 85000, 106250, 212500, 425000]

約数ペア:

[(1, 425000), (2, 212500), (4, 106250), (5, 85000), (8, 53125), (10, 42500), (17, 25000), (20, 21250), (25, 17000), (34, 12500), (40, 10625), (50, 8500), (68, 6250), (85, 5000), (100, 4250), (125, 3400), (136, 3125), (170, 2500), (200, 2125), (250, 1700), (340, 1250), (425, 1000), (500, 850), (625, 680)]