239519840

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{223}}^1$

素因数の和:389

約数の個数: 144

約数和(自身を含む): 666029952

約数和(自身を除く): 426510112

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 137, 140, 160, 196, 223, 224, 245, 274, 280, 392, 446, 490, 548, 560, 685, 784, 892, 959, 980, 1096, 1115, 1120, 1370, 1561, 1568, 1784, 1918, 1960, 2192, 2230, 2740, 3122, 3568, 3836, 3920, 4384, 4460, 4795, 5480, 6244, 6713, 7136, 7672, 7805, 7840, 8920, 9590, 10927, 10960, 12488, 13426, 15344, 15610, 17840, 19180, 21854, 21920, 24976, 26852, 30551, 30688, 31220, 33565, 35680, 38360, 43708, 49952, 53704, 54635, 61102, 62440, 67130, 76720, 87416, 107408, 109270, 122204, 124880, 134260, 152755, 153440, 174832, 213857, 214816, 218540, 244408, 249760, 268520, 305510, 349664, 427714, 437080, 488816, 537040, 611020, 855428, 874160, 977632, 1069285, 1074080, 1222040, 1496999, 1710856, 1748320, 2138570, 2444080, 2993998, 3421712, 4277140, 4888160, 5987996, 6843424, 7484995, 8554280, 11975992, 14969990, 17108560, 23951984, 29939980, 34217120, 47903968, 59879960, 119759920, 239519840]

約数ペア:

[(1, 239519840), (2, 119759920), (4, 59879960), (5, 47903968), (7, 34217120), (8, 29939980), (10, 23951984), (14, 17108560), (16, 14969990), (20, 11975992), (28, 8554280), (32, 7484995), (35, 6843424), (40, 5987996), (49, 4888160), (56, 4277140), (70, 3421712), (80, 2993998), (98, 2444080), (112, 2138570), (137, 1748320), (140, 1710856), (160, 1496999), (196, 1222040), (223, 1074080), (224, 1069285), (245, 977632), (274, 874160), (280, 855428), (392, 611020), (446, 537040), (490, 488816), (548, 437080), (560, 427714), (685, 349664), (784, 305510), (892, 268520), (959, 249760), (980, 244408), (1096, 218540), (1115, 214816), (1120, 213857), (1370, 174832), (1561, 153440), (1568, 152755), (1784, 134260), (1918, 124880), (1960, 122204), (2192, 109270), (2230, 107408), (2740, 87416), (3122, 76720), (3568, 67130), (3836, 62440), (3920, 61102), (4384, 54635), (4460, 53704), (4795, 49952), (5480, 43708), (6244, 38360), (6713, 35680), (7136, 33565), (7672, 31220), (7805, 30688), (7840, 30551), (8920, 26852), (9590, 24976), (10927, 21920), (10960, 21854), (12488, 19180), (13426, 17840), (15344, 15610)]