68809675

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{23}}^2\times {\mathrm{43}}^1$

素因数の和:121

約数の個数: 54

約数和(自身を含む): 100320836

約数和(自身を除く): 31511161

約数列:

[1, 5, 11, 23, 25, 43, 55, 115, 121, 215, 253, 275, 473, 529, 575, 605, 989, 1075, 1265, 2365, 2645, 2783, 3025, 4945, 5203, 5819, 6325, 10879, 11825, 13225, 13915, 22747, 24725, 26015, 29095, 54395, 64009, 69575, 113735, 119669, 130075, 145475, 250217, 271975, 320045, 568675, 598345, 1251085, 1600225, 2752387, 2991725, 6255425, 13761935, 68809675]

約数ペア:

[(1, 68809675), (5, 13761935), (11, 6255425), (23, 2991725), (25, 2752387), (43, 1600225), (55, 1251085), (115, 598345), (121, 568675), (215, 320045), (253, 271975), (275, 250217), (473, 145475), (529, 130075), (575, 119669), (605, 113735), (989, 69575), (1075, 64009), (1265, 54395), (2365, 29095), (2645, 26015), (2783, 24725), (3025, 22747), (4945, 13915), (5203, 13225), (5819, 11825), (6325, 10879)]