205654890

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{5471}}^1$

素因数の和:5667

約数の個数: 64

約数和(自身を含む): 567336960

約数和(自身を除く): 361682070

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 179, 210, 358, 537, 895, 1074, 1253, 1790, 2506, 2685, 3759, 5370, 5471, 6265, 7518, 10942, 12530, 16413, 18795, 27355, 32826, 37590, 38297, 54710, 76594, 82065, 114891, 164130, 191485, 229782, 382970, 574455, 979309, 1148910, 1958618, 2937927, 4896545, 5875854, 6855163, 9793090, 13710326, 14689635, 20565489, 29379270, 34275815, 41130978, 68551630, 102827445, 205654890]

約数ペア:

[(1, 205654890), (2, 102827445), (3, 68551630), (5, 41130978), (6, 34275815), (7, 29379270), (10, 20565489), (14, 14689635), (15, 13710326), (21, 9793090), (30, 6855163), (35, 5875854), (42, 4896545), (70, 2937927), (105, 1958618), (179, 1148910), (210, 979309), (358, 574455), (537, 382970), (895, 229782), (1074, 191485), (1253, 164130), (1790, 114891), (2506, 82065), (2685, 76594), (3759, 54710), (5370, 38297), (5471, 37590), (6265, 32826), (7518, 27355), (10942, 18795), (12530, 16413)]