280787346

素因数分解:

$2^1\times 3^2\times 7^4\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:198

約数の個数: 120

約数和(自身を含む): 727531740

約数和(自身を除く): 446744394

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 73, 89, 98, 126, 146, 147, 178, 219, 267, 294, 343, 438, 441, 511, 534, 623, 657, 686, 801, 882, 1022, 1029, 1246, 1314, 1533, 1602, 1869, 2058, 2401, 3066, 3087, 3577, 3738, 4361, 4599, 4802, 5607, 6174, 6497, 7154, 7203, 8722, 9198, 10731, 11214, 12994, 13083, 14406, 19491, 21462, 21609, 25039, 26166, 30527, 32193, 38982, 39249, 43218, 45479, 50078, 58473, 61054, 64386, 75117, 78498, 90958, 91581, 116946, 136437, 150234, 175273, 183162, 213689, 225351, 272874, 274743, 318353, 350546, 409311, 427378, 450702, 525819, 549486, 636706, 641067, 818622, 955059, 1051638, 1282134, 1577457, 1910118, 1923201, 2228471, 2865177, 3154914, 3846402, 4456942, 5730354, 6685413, 13370826, 15599297, 20056239, 31198594, 40112478, 46797891, 93595782, 140393673, 280787346]

約数ペア:

[(1, 280787346), (2, 140393673), (3, 93595782), (6, 46797891), (7, 40112478), (9, 31198594), (14, 20056239), (18, 15599297), (21, 13370826), (42, 6685413), (49, 5730354), (63, 4456942), (73, 3846402), (89, 3154914), (98, 2865177), (126, 2228471), (146, 1923201), (147, 1910118), (178, 1577457), (219, 1282134), (267, 1051638), (294, 955059), (343, 818622), (438, 641067), (441, 636706), (511, 549486), (534, 525819), (623, 450702), (657, 427378), (686, 409311), (801, 350546), (882, 318353), (1022, 274743), (1029, 272874), (1246, 225351), (1314, 213689), (1533, 183162), (1602, 175273), (1869, 150234), (2058, 136437), (2401, 116946), (3066, 91581), (3087, 90958), (3577, 78498), (3738, 75117), (4361, 64386), (4599, 61054), (4802, 58473), (5607, 50078), (6174, 45479), (6497, 43218), (7154, 39249), (7203, 38982), (8722, 32193), (9198, 30527), (10731, 26166), (11214, 25039), (12994, 21609), (13083, 21462), (14406, 19491)]