209158880

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{43}}^2\times {\mathrm{101}}^1$

素因数の和:209

約数の個数: 144

約数和(自身を含む): 583892064

約数和(自身を除く): 374733184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 56, 70, 80, 86, 101, 112, 140, 160, 172, 202, 215, 224, 280, 301, 344, 404, 430, 505, 560, 602, 688, 707, 808, 860, 1010, 1120, 1204, 1376, 1414, 1505, 1616, 1720, 1849, 2020, 2408, 2828, 3010, 3232, 3440, 3535, 3698, 4040, 4343, 4816, 5656, 6020, 6880, 7070, 7396, 8080, 8686, 9245, 9632, 11312, 12040, 12943, 14140, 14792, 16160, 17372, 18490, 21715, 22624, 24080, 25886, 28280, 29584, 30401, 34744, 36980, 43430, 48160, 51772, 56560, 59168, 60802, 64715, 69488, 73960, 86860, 103544, 113120, 121604, 129430, 138976, 147920, 152005, 173720, 186749, 207088, 243208, 258860, 295840, 304010, 347440, 373498, 414176, 486416, 517720, 608020, 694880, 746996, 933745, 972832, 1035440, 1216040, 1307243, 1493992, 1867490, 2070880, 2432080, 2614486, 2987984, 3734980, 4864160, 5228972, 5975968, 6536215, 7469960, 10457944, 13072430, 14939920, 20915888, 26144860, 29879840, 41831776, 52289720, 104579440, 209158880]

約数ペア:

[(1, 209158880), (2, 104579440), (4, 52289720), (5, 41831776), (7, 29879840), (8, 26144860), (10, 20915888), (14, 14939920), (16, 13072430), (20, 10457944), (28, 7469960), (32, 6536215), (35, 5975968), (40, 5228972), (43, 4864160), (56, 3734980), (70, 2987984), (80, 2614486), (86, 2432080), (101, 2070880), (112, 1867490), (140, 1493992), (160, 1307243), (172, 1216040), (202, 1035440), (215, 972832), (224, 933745), (280, 746996), (301, 694880), (344, 608020), (404, 517720), (430, 486416), (505, 414176), (560, 373498), (602, 347440), (688, 304010), (707, 295840), (808, 258860), (860, 243208), (1010, 207088), (1120, 186749), (1204, 173720), (1376, 152005), (1414, 147920), (1505, 138976), (1616, 129430), (1720, 121604), (1849, 113120), (2020, 103544), (2408, 86860), (2828, 73960), (3010, 69488), (3232, 64715), (3440, 60802), (3535, 59168), (3698, 56560), (4040, 51772), (4343, 48160), (4816, 43430), (5656, 36980), (6020, 34744), (6880, 30401), (7070, 29584), (7396, 28280), (8080, 25886), (8686, 24080), (9245, 22624), (9632, 21715), (11312, 18490), (12040, 17372), (12943, 16160), (14140, 14792)]