123439295

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:288

約数の個数: 64

約数和(自身を含む): 192844800

約数和(自身を除く): 69405505

約数列:

[1, 5, 7, 17, 19, 35, 61, 85, 95, 119, 133, 179, 305, 323, 427, 595, 665, 895, 1037, 1159, 1253, 1615, 2135, 2261, 3043, 3401, 5185, 5795, 6265, 7259, 8113, 10919, 11305, 15215, 17005, 19703, 21301, 23807, 36295, 40565, 54595, 57817, 76433, 98515, 106505, 119035, 137921, 185623, 207461, 289085, 382165, 404719, 689605, 928115, 1037305, 1299361, 1452227, 2023595, 3526837, 6496805, 7261135, 17634185, 24687859, 123439295]

約数ペア:

[(1, 123439295), (5, 24687859), (7, 17634185), (17, 7261135), (19, 6496805), (35, 3526837), (61, 2023595), (85, 1452227), (95, 1299361), (119, 1037305), (133, 928115), (179, 689605), (305, 404719), (323, 382165), (427, 289085), (595, 207461), (665, 185623), (895, 137921), (1037, 119035), (1159, 106505), (1253, 98515), (1615, 76433), (2135, 57817), (2261, 54595), (3043, 40565), (3401, 36295), (5185, 23807), (5795, 21301), (6265, 19703), (7259, 17005), (8113, 15215), (10919, 11305)]