489590905

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 684288000

約数和(自身を除く): 194697095

約数列:

[1, 5, 17, 29, 31, 43, 85, 145, 149, 155, 215, 493, 527, 731, 745, 899, 1247, 1333, 2465, 2533, 2635, 3655, 4321, 4495, 4619, 6235, 6407, 6665, 12665, 15283, 21199, 21605, 22661, 23095, 32035, 38657, 73457, 76415, 78523, 105995, 108919, 113305, 133951, 185803, 193285, 198617, 367285, 392615, 544595, 657169, 669755, 929015, 993085, 2277167, 3158651, 3285845, 3376489, 5759893, 11385835, 15793255, 16882445, 28799465, 97918181, 489590905]

約数ペア:

[(1, 489590905), (5, 97918181), (17, 28799465), (29, 16882445), (31, 15793255), (43, 11385835), (85, 5759893), (145, 3376489), (149, 3285845), (155, 3158651), (215, 2277167), (493, 993085), (527, 929015), (731, 669755), (745, 657169), (899, 544595), (1247, 392615), (1333, 367285), (2465, 198617), (2533, 193285), (2635, 185803), (3655, 133951), (4321, 113305), (4495, 108919), (4619, 105995), (6235, 78523), (6407, 76415), (6665, 73457), (12665, 38657), (15283, 32035), (21199, 23095), (21605, 22661)]