247489130

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1$

素因数の和:479

約数の個数: 64

約数和(自身を含む): 519374592

約数和(自身を除く): 271885462

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 131, 137, 197, 262, 274, 394, 655, 685, 917, 959, 985, 1310, 1370, 1379, 1834, 1918, 1970, 2758, 4585, 4795, 6895, 9170, 9590, 13790, 17947, 25807, 26989, 35894, 51614, 53978, 89735, 125629, 129035, 134945, 179470, 180649, 188923, 251258, 258070, 269890, 361298, 377846, 628145, 903245, 944615, 1256290, 1806490, 1889230, 3535559, 7071118, 17677795, 24748913, 35355590, 49497826, 123744565, 247489130]

約数ペア:

[(1, 247489130), (2, 123744565), (5, 49497826), (7, 35355590), (10, 24748913), (14, 17677795), (35, 7071118), (70, 3535559), (131, 1889230), (137, 1806490), (197, 1256290), (262, 944615), (274, 903245), (394, 628145), (655, 377846), (685, 361298), (917, 269890), (959, 258070), (985, 251258), (1310, 188923), (1370, 180649), (1379, 179470), (1834, 134945), (1918, 129035), (1970, 125629), (2758, 89735), (4585, 53978), (4795, 51614), (6895, 35894), (9170, 26989), (9590, 25807), (13790, 17947)]