8947225

素因数分解:

$5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:130

約数の個数: 48

約数和(自身を含む): 13749120

約数和(自身を除く): 4801895

約数列:

[1, 5, 7, 25, 29, 35, 41, 43, 145, 175, 203, 205, 215, 287, 301, 725, 1015, 1025, 1075, 1189, 1247, 1435, 1505, 1763, 5075, 5945, 6235, 7175, 7525, 8323, 8729, 8815, 12341, 29725, 31175, 41615, 43645, 44075, 51127, 61705, 208075, 218225, 255635, 308525, 357889, 1278175, 1789445, 8947225]

約数ペア:

[(1, 8947225), (5, 1789445), (7, 1278175), (25, 357889), (29, 308525), (35, 255635), (41, 218225), (43, 208075), (145, 61705), (175, 51127), (203, 44075), (205, 43645), (215, 41615), (287, 31175), (301, 29725), (725, 12341), (1015, 8815), (1025, 8729), (1075, 8323), (1189, 7525), (1247, 7175), (1435, 6235), (1505, 5945), (1763, 5075)]