140408576

素因数分解:

$2^8\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1$

素因数の和:470

約数の個数: 144

約数和(自身を含む): 370863360

約数和(自身を除く): 230454784

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 32, 34, 44, 56, 64, 68, 77, 88, 112, 119, 128, 136, 154, 176, 187, 224, 238, 256, 272, 308, 352, 374, 419, 448, 476, 544, 616, 704, 748, 838, 896, 952, 1088, 1232, 1309, 1408, 1496, 1676, 1792, 1904, 2176, 2464, 2618, 2816, 2933, 2992, 3352, 3808, 4352, 4609, 4928, 5236, 5866, 5984, 6704, 7123, 7616, 9218, 9856, 10472, 11732, 11968, 13408, 14246, 15232, 18436, 19712, 20944, 23464, 23936, 26816, 28492, 30464, 32263, 36872, 41888, 46928, 47872, 49861, 53632, 56984, 64526, 73744, 78353, 83776, 93856, 99722, 107264, 113968, 129052, 147488, 156706, 167552, 187712, 199444, 227936, 258104, 294976, 313412, 335104, 375424, 398888, 455872, 516208, 548471, 589952, 626824, 750848, 797776, 911744, 1032416, 1096942, 1179904, 1253648, 1595552, 1823488, 2064832, 2193884, 2507296, 3191104, 4129664, 4387768, 5014592, 6382208, 8259328, 8775536, 10029184, 12764416, 17551072, 20058368, 35102144, 70204288, 140408576]

約数ペア:

[(1, 140408576), (2, 70204288), (4, 35102144), (7, 20058368), (8, 17551072), (11, 12764416), (14, 10029184), (16, 8775536), (17, 8259328), (22, 6382208), (28, 5014592), (32, 4387768), (34, 4129664), (44, 3191104), (56, 2507296), (64, 2193884), (68, 2064832), (77, 1823488), (88, 1595552), (112, 1253648), (119, 1179904), (128, 1096942), (136, 1032416), (154, 911744), (176, 797776), (187, 750848), (224, 626824), (238, 589952), (256, 548471), (272, 516208), (308, 455872), (352, 398888), (374, 375424), (419, 335104), (448, 313412), (476, 294976), (544, 258104), (616, 227936), (704, 199444), (748, 187712), (838, 167552), (896, 156706), (952, 147488), (1088, 129052), (1232, 113968), (1309, 107264), (1408, 99722), (1496, 93856), (1676, 83776), (1792, 78353), (1904, 73744), (2176, 64526), (2464, 56984), (2618, 53632), (2816, 49861), (2933, 47872), (2992, 46928), (3352, 41888), (3808, 36872), (4352, 32263), (4609, 30464), (4928, 28492), (5236, 26816), (5866, 23936), (5984, 23464), (6704, 20944), (7123, 19712), (7616, 18436), (9218, 15232), (9856, 14246), (10472, 13408), (11732, 11968)]