205378704

素因数分解:

$2^4\times 3^2\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{227}}^1$

素因数の和:405

約数の個数: 120

約数和(自身を含む): 592468032

約数和(自身を除く): 387089328

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 61, 72, 103, 122, 144, 183, 206, 227, 244, 309, 366, 412, 454, 488, 549, 618, 681, 732, 824, 908, 927, 976, 1098, 1236, 1362, 1464, 1648, 1816, 1854, 2043, 2196, 2472, 2724, 2928, 3632, 3708, 4086, 4392, 4944, 5448, 6283, 7416, 8172, 8784, 10896, 12566, 13847, 14832, 16344, 18849, 23381, 25132, 27694, 32688, 37698, 41541, 46762, 50264, 55388, 56547, 70143, 75396, 83082, 93524, 100528, 110776, 113094, 124623, 140286, 150792, 166164, 187048, 210429, 221552, 226188, 249246, 280572, 301584, 332328, 374096, 420858, 452376, 498492, 561144, 664656, 841716, 904752, 996984, 1122288, 1426241, 1683432, 1993968, 2852482, 3366864, 4278723, 5704964, 8557446, 11409928, 12836169, 17114892, 22819856, 25672338, 34229784, 51344676, 68459568, 102689352, 205378704]

約数ペア:

[(1, 205378704), (2, 102689352), (3, 68459568), (4, 51344676), (6, 34229784), (8, 25672338), (9, 22819856), (12, 17114892), (16, 12836169), (18, 11409928), (24, 8557446), (36, 5704964), (48, 4278723), (61, 3366864), (72, 2852482), (103, 1993968), (122, 1683432), (144, 1426241), (183, 1122288), (206, 996984), (227, 904752), (244, 841716), (309, 664656), (366, 561144), (412, 498492), (454, 452376), (488, 420858), (549, 374096), (618, 332328), (681, 301584), (732, 280572), (824, 249246), (908, 226188), (927, 221552), (976, 210429), (1098, 187048), (1236, 166164), (1362, 150792), (1464, 140286), (1648, 124623), (1816, 113094), (1854, 110776), (2043, 100528), (2196, 93524), (2472, 83082), (2724, 75396), (2928, 70143), (3632, 56547), (3708, 55388), (4086, 50264), (4392, 46762), (4944, 41541), (5448, 37698), (6283, 32688), (7416, 27694), (8172, 25132), (8784, 23381), (10896, 18849), (12566, 16344), (13847, 14832)]