199309000

素因数分解:

$2^3\times 5^3\times {\mathrm{11}}^1\times {\mathrm{18119}}^1$

素因数の和:18151

約数の個数: 64

約数和(自身を含む): 508809600

約数和(自身を除く): 309500600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 125, 200, 220, 250, 275, 440, 500, 550, 1000, 1100, 1375, 2200, 2750, 5500, 11000, 18119, 36238, 72476, 90595, 144952, 181190, 199309, 362380, 398618, 452975, 724760, 797236, 905950, 996545, 1594472, 1811900, 1993090, 2264875, 3623800, 3986180, 4529750, 4982725, 7972360, 9059500, 9965450, 18119000, 19930900, 24913625, 39861800, 49827250, 99654500, 199309000]

約数ペア:

[(1, 199309000), (2, 99654500), (4, 49827250), (5, 39861800), (8, 24913625), (10, 19930900), (11, 18119000), (20, 9965450), (22, 9059500), (25, 7972360), (40, 4982725), (44, 4529750), (50, 3986180), (55, 3623800), (88, 2264875), (100, 1993090), (110, 1811900), (125, 1594472), (200, 996545), (220, 905950), (250, 797236), (275, 724760), (440, 452975), (500, 398618), (550, 362380), (1000, 199309), (1100, 181190), (1375, 144952), (2200, 90595), (2750, 72476), (5500, 36238), (11000, 18119)]