1298403950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{47129}}^1$

素因数の和:47189

約数の個数: 48

約数和(自身を含む): 2629854000

約数和(自身を除く): 1331450050

約数列:

[1, 2, 5, 10, 19, 25, 29, 38, 50, 58, 95, 145, 190, 290, 475, 551, 725, 950, 1102, 1450, 2755, 5510, 13775, 27550, 47129, 94258, 235645, 471290, 895451, 1178225, 1366741, 1790902, 2356450, 2733482, 4477255, 6833705, 8954510, 13667410, 22386275, 25968079, 34168525, 44772550, 51936158, 68337050, 129840395, 259680790, 649201975, 1298403950]

約数ペア:

[(1, 1298403950), (2, 649201975), (5, 259680790), (10, 129840395), (19, 68337050), (25, 51936158), (29, 44772550), (38, 34168525), (50, 25968079), (58, 22386275), (95, 13667410), (145, 8954510), (190, 6833705), (290, 4477255), (475, 2733482), (551, 2356450), (725, 1790902), (950, 1366741), (1102, 1178225), (1450, 895451), (2755, 471290), (5510, 235645), (13775, 94258), (27550, 47129)]