212500

素因数分解:

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

素因数の和:46

約数の個数: 36

約数和(自身を含む): 492156

約数和(自身を除く): 279656

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 125, 170, 250, 340, 425, 500, 625, 850, 1250, 1700, 2125, 2500, 3125, 4250, 6250, 8500, 10625, 12500, 21250, 42500, 53125, 106250, 212500]

約数ペア:

[(1, 212500), (2, 106250), (4, 53125), (5, 42500), (10, 21250), (17, 12500), (20, 10625), (25, 8500), (34, 6250), (50, 4250), (68, 3125), (85, 2500), (100, 2125), (125, 1700), (170, 1250), (250, 850), (340, 625), (425, 500)]