172310905

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^2\times {\mathrm{83}}^1$

素因数の和:202

約数の個数: 48

約数和(自身を含む): 243149760

約数和(自身を除く): 70838855

約数列:

[1, 5, 13, 19, 41, 65, 83, 95, 205, 247, 415, 533, 779, 1079, 1235, 1577, 1681, 2665, 3403, 3895, 5395, 7885, 8405, 10127, 17015, 20501, 21853, 31939, 44239, 50635, 64657, 102505, 109265, 139523, 159695, 221195, 323285, 415207, 697615, 840541, 1813799, 2076035, 2650937, 4202705, 9068995, 13254685, 34462181, 172310905]

約数ペア:

[(1, 172310905), (5, 34462181), (13, 13254685), (19, 9068995), (41, 4202705), (65, 2650937), (83, 2076035), (95, 1813799), (205, 840541), (247, 697615), (415, 415207), (533, 323285), (779, 221195), (1079, 159695), (1235, 139523), (1577, 109265), (1681, 102505), (2665, 64657), (3403, 50635), (3895, 44239), (5395, 31939), (7885, 21853), (8405, 20501), (10127, 17015)]