209909500

素因数分解:

$2^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{18253}}^1$

素因数の和:18295

約数の個数: 48

約数和(自身を含む): 478400832

約数和(自身を除く): 268491332

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, 18253, 36506, 73012, 91265, 182530, 365060, 419819, 456325, 839638, 912650, 1679276, 1825300, 2099095, 2281625, 4198190, 4563250, 8396380, 9126500, 10495475, 20990950, 41981900, 52477375, 104954750, 209909500]

約数ペア:

[(1, 209909500), (2, 104954750), (4, 52477375), (5, 41981900), (10, 20990950), (20, 10495475), (23, 9126500), (25, 8396380), (46, 4563250), (50, 4198190), (92, 2281625), (100, 2099095), (115, 1825300), (125, 1679276), (230, 912650), (250, 839638), (460, 456325), (500, 419819), (575, 365060), (1150, 182530), (2300, 91265), (2875, 73012), (5750, 36506), (11500, 18253)]