211553500

素因数分解:

$2^2\times 5^3\times {\mathrm{523}}^1\times {\mathrm{809}}^1$

素因数の和:1351

約数の個数: 48

約数和(自身を含む): 463488480

約数和(自身を除く): 251934980

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 523, 809, 1046, 1618, 2092, 2615, 3236, 4045, 5230, 8090, 10460, 13075, 16180, 20225, 26150, 40450, 52300, 65375, 80900, 101125, 130750, 202250, 261500, 404500, 423107, 846214, 1692428, 2115535, 4231070, 8462140, 10577675, 21155350, 42310700, 52888375, 105776750, 211553500]

約数ペア:

[(1, 211553500), (2, 105776750), (4, 52888375), (5, 42310700), (10, 21155350), (20, 10577675), (25, 8462140), (50, 4231070), (100, 2115535), (125, 1692428), (250, 846214), (500, 423107), (523, 404500), (809, 261500), (1046, 202250), (1618, 130750), (2092, 101125), (2615, 80900), (3236, 65375), (4045, 52300), (5230, 40450), (8090, 26150), (10460, 20225), (13075, 16180)]