208506500

素因数分解:

$2^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{18131}}^1$

素因数の和:18173

約数の個数: 48

約数和(自身を含む): 475203456

約数和(自身を除く): 266696956

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 125, 230, 250, 460, 500, 575, 1150, 2300, 2875, 5750, 11500, 18131, 36262, 72524, 90655, 181310, 362620, 417013, 453275, 834026, 906550, 1668052, 1813100, 2085065, 2266375, 4170130, 4532750, 8340260, 9065500, 10425325, 20850650, 41701300, 52126625, 104253250, 208506500]

約数ペア:

[(1, 208506500), (2, 104253250), (4, 52126625), (5, 41701300), (10, 20850650), (20, 10425325), (23, 9065500), (25, 8340260), (46, 4532750), (50, 4170130), (92, 2266375), (100, 2085065), (115, 1813100), (125, 1668052), (230, 906550), (250, 834026), (460, 453275), (500, 417013), (575, 362620), (1150, 181310), (2300, 90655), (2875, 72524), (5750, 36262), (11500, 18131)]