196807775

素因数分解:

$5^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1$

素因数の和:248

約数の個数: 48

約数和(自身を含む): 265161600

約数和(自身を除く): 68353825

約数列:

[1, 5, 25, 29, 43, 59, 107, 145, 215, 295, 535, 725, 1075, 1247, 1475, 1711, 2537, 2675, 3103, 4601, 6235, 6313, 8555, 12685, 15515, 23005, 31175, 31565, 42775, 63425, 73573, 77575, 115025, 133429, 157825, 183077, 271459, 367865, 667145, 915385, 1357295, 1839325, 3335725, 4576925, 6786475, 7872311, 39361555, 196807775]

約数ペア:

[(1, 196807775), (5, 39361555), (25, 7872311), (29, 6786475), (43, 4576925), (59, 3335725), (107, 1839325), (145, 1357295), (215, 915385), (295, 667145), (535, 367865), (725, 271459), (1075, 183077), (1247, 157825), (1475, 133429), (1711, 115025), (2537, 77575), (2675, 73573), (3103, 63425), (4601, 42775), (6235, 31565), (6313, 31175), (8555, 23005), (12685, 15515)]