210712520

素因数分解:

$2^3\times 5^1\times {\mathrm{307}}^1\times {\mathrm{17159}}^1$

素因数の和:17477

約数の個数: 32

約数和(自身を含む): 475675200

約数和(自身を除く): 264962680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 307, 614, 1228, 1535, 2456, 3070, 6140, 12280, 17159, 34318, 68636, 85795, 137272, 171590, 343180, 686360, 5267813, 10535626, 21071252, 26339065, 42142504, 52678130, 105356260, 210712520]

約数ペア:

[(1, 210712520), (2, 105356260), (4, 52678130), (5, 42142504), (8, 26339065), (10, 21071252), (20, 10535626), (40, 5267813), (307, 686360), (614, 343180), (1228, 171590), (1535, 137272), (2456, 85795), (3070, 68636), (6140, 34318), (12280, 17159)]