201729520

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{19249}}^1$

素因数の和:19393

約数の個数: 40

約数和(自身を含む): 472626000

約数和(自身を除く): 270896480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 1048, 1310, 2096, 2620, 5240, 10480, 19249, 38498, 76996, 96245, 153992, 192490, 307984, 384980, 769960, 1539920, 2521619, 5043238, 10086476, 12608095, 20172952, 25216190, 40345904, 50432380, 100864760, 201729520]

約数ペア:

[(1, 201729520), (2, 100864760), (4, 50432380), (5, 40345904), (8, 25216190), (10, 20172952), (16, 12608095), (20, 10086476), (40, 5043238), (80, 2521619), (131, 1539920), (262, 769960), (524, 384980), (655, 307984), (1048, 192490), (1310, 153992), (2096, 96245), (2620, 76996), (5240, 38498), (10480, 19249)]