315741800

素因数分解:

$2^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{143519}}^1$

素因数の和:143546

約数の個数: 48

約数和(自身を含む): 800841600

約数和(自身を除く): 485099800

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 25, 40, 44, 50, 55, 88, 100, 110, 200, 220, 275, 440, 550, 1100, 2200, 143519, 287038, 574076, 717595, 1148152, 1435190, 1578709, 2870380, 3157418, 3587975, 5740760, 6314836, 7175950, 7893545, 12629672, 14351900, 15787090, 28703800, 31574180, 39467725, 63148360, 78935450, 157870900, 315741800]

約数ペア:

[(1, 315741800), (2, 157870900), (4, 78935450), (5, 63148360), (8, 39467725), (10, 31574180), (11, 28703800), (20, 15787090), (22, 14351900), (25, 12629672), (40, 7893545), (44, 7175950), (50, 6314836), (55, 5740760), (88, 3587975), (100, 3157418), (110, 2870380), (200, 1578709), (220, 1435190), (275, 1148152), (440, 717595), (550, 574076), (1100, 287038), (2200, 143519)]