208746725

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:330

約数の個数: 48

約数和(自身を含む): 293314560

約数和(自身を除く): 84567835

約数列:

[1, 5, 11, 25, 43, 55, 127, 139, 215, 275, 473, 635, 695, 1075, 1397, 1529, 2365, 3175, 3475, 5461, 5977, 6985, 7645, 11825, 17653, 27305, 29885, 34925, 38225, 60071, 65747, 88265, 136525, 149425, 194183, 300355, 328735, 441325, 759079, 970915, 1501775, 1643675, 3795395, 4854575, 8349869, 18976975, 41749345, 208746725]

約数ペア:

[(1, 208746725), (5, 41749345), (11, 18976975), (25, 8349869), (43, 4854575), (55, 3795395), (127, 1643675), (139, 1501775), (215, 970915), (275, 759079), (473, 441325), (635, 328735), (695, 300355), (1075, 194183), (1397, 149425), (1529, 136525), (2365, 88265), (3175, 65747), (3475, 60071), (5461, 38225), (5977, 34925), (6985, 29885), (7645, 27305), (11825, 17653)]