123252745

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1$

素因数の和:526

約数の個数: 64

約数和(自身を含む): 199065600

約数和(自身を除く): 75812855

約数列:

[1, 5, 7, 11, 23, 31, 35, 55, 77, 115, 155, 161, 217, 253, 341, 385, 449, 713, 805, 1085, 1265, 1705, 1771, 2245, 2387, 3143, 3565, 4939, 4991, 7843, 8855, 10327, 11935, 13919, 15715, 24695, 24955, 34573, 39215, 51635, 54901, 69595, 72289, 97433, 113597, 153109, 172865, 274505, 320137, 361445, 487165, 567985, 765545, 795179, 1071763, 1600685, 2240959, 3521507, 3975895, 5358815, 11204795, 17607535, 24650549, 123252745]

約数ペア:

[(1, 123252745), (5, 24650549), (7, 17607535), (11, 11204795), (23, 5358815), (31, 3975895), (35, 3521507), (55, 2240959), (77, 1600685), (115, 1071763), (155, 795179), (161, 765545), (217, 567985), (253, 487165), (341, 361445), (385, 320137), (449, 274505), (713, 172865), (805, 153109), (1085, 113597), (1265, 97433), (1705, 72289), (1771, 69595), (2245, 54901), (2387, 51635), (3143, 39215), (3565, 34573), (4939, 24955), (4991, 24695), (7843, 15715), (8855, 13919), (10327, 11935)]