170280400

素因数分解:

$2^4\times 5^2\times {\mathrm{425701}}^1$

素因数の和:425719

約数の個数: 30

約数和(自身を含む): 409099622

約数和(自身を除く): 238819222

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 425701, 851402, 1702804, 2128505, 3405608, 4257010, 6811216, 8514020, 10642525, 17028040, 21285050, 34056080, 42570100, 85140200, 170280400]

約数ペア:

[(1, 170280400), (2, 85140200), (4, 42570100), (5, 34056080), (8, 21285050), (10, 17028040), (16, 10642525), (20, 8514020), (25, 6811216), (40, 4257010), (50, 3405608), (80, 2128505), (100, 1702804), (200, 851402), (400, 425701)]