208609520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{2467}}^1$

素因数の和:2638

約数の個数: 80

約数和(自身を含む): 558202368

約数和(自身を除く): 349592848

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 151, 280, 302, 560, 604, 755, 1057, 1208, 1510, 2114, 2416, 2467, 3020, 4228, 4934, 5285, 6040, 8456, 9868, 10570, 12080, 12335, 16912, 17269, 19736, 21140, 24670, 34538, 39472, 42280, 49340, 69076, 84560, 86345, 98680, 138152, 172690, 197360, 276304, 345380, 372517, 690760, 745034, 1381520, 1490068, 1862585, 2607619, 2980136, 3725170, 5215238, 5960272, 7450340, 10430476, 13038095, 14900680, 20860952, 26076190, 29801360, 41721904, 52152380, 104304760, 208609520]

約数ペア:

[(1, 208609520), (2, 104304760), (4, 52152380), (5, 41721904), (7, 29801360), (8, 26076190), (10, 20860952), (14, 14900680), (16, 13038095), (20, 10430476), (28, 7450340), (35, 5960272), (40, 5215238), (56, 3725170), (70, 2980136), (80, 2607619), (112, 1862585), (140, 1490068), (151, 1381520), (280, 745034), (302, 690760), (560, 372517), (604, 345380), (755, 276304), (1057, 197360), (1208, 172690), (1510, 138152), (2114, 98680), (2416, 86345), (2467, 84560), (3020, 69076), (4228, 49340), (4934, 42280), (5285, 39472), (6040, 34538), (8456, 24670), (9868, 21140), (10570, 19736), (12080, 17269), (12335, 16912)]