209937500

素因数分解:

$2^2\times 5^6\times {\mathrm{3359}}^1$

素因数の和:3393

約数の個数: 42

約数和(自身を含む): 459369120

約数和(自身を除く): 249431620

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 625, 1250, 2500, 3125, 3359, 6250, 6718, 12500, 13436, 15625, 16795, 31250, 33590, 62500, 67180, 83975, 167950, 335900, 419875, 839750, 1679500, 2099375, 4198750, 8397500, 10496875, 20993750, 41987500, 52484375, 104968750, 209937500]

約数ペア:

[(1, 209937500), (2, 104968750), (4, 52484375), (5, 41987500), (10, 20993750), (20, 10496875), (25, 8397500), (50, 4198750), (100, 2099375), (125, 1679500), (250, 839750), (500, 419875), (625, 335900), (1250, 167950), (2500, 83975), (3125, 67180), (3359, 62500), (6250, 33590), (6718, 31250), (12500, 16795), (13436, 15625)]