209262080

素因数分解:

$2^9\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1901}}^1$

素因数の和:1967

約数の個数: 80

約数和(自身を含む): 513676944

約数和(自身を除く): 304414864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 128, 160, 172, 215, 256, 320, 344, 430, 512, 640, 688, 860, 1280, 1376, 1720, 1901, 2560, 2752, 3440, 3802, 5504, 6880, 7604, 9505, 11008, 13760, 15208, 19010, 22016, 27520, 30416, 38020, 55040, 60832, 76040, 81743, 110080, 121664, 152080, 163486, 243328, 304160, 326972, 408715, 486656, 608320, 653944, 817430, 973312, 1216640, 1307888, 1634860, 2433280, 2615776, 3269720, 4866560, 5231552, 6539440, 10463104, 13078880, 20926208, 26157760, 41852416, 52315520, 104631040, 209262080]

約数ペア:

[(1, 209262080), (2, 104631040), (4, 52315520), (5, 41852416), (8, 26157760), (10, 20926208), (16, 13078880), (20, 10463104), (32, 6539440), (40, 5231552), (43, 4866560), (64, 3269720), (80, 2615776), (86, 2433280), (128, 1634860), (160, 1307888), (172, 1216640), (215, 973312), (256, 817430), (320, 653944), (344, 608320), (430, 486656), (512, 408715), (640, 326972), (688, 304160), (860, 243328), (1280, 163486), (1376, 152080), (1720, 121664), (1901, 110080), (2560, 81743), (2752, 76040), (3440, 60832), (3802, 55040), (5504, 38020), (6880, 30416), (7604, 27520), (9505, 22016), (11008, 19010), (13760, 15208)]