388440070

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1$

素因数の和:421

約数の個数: 64

約数和(自身を含む): 742452480

約数和(自身を除く): 354012410

約数列:

[1, 2, 5, 10, 43, 59, 61, 86, 118, 122, 215, 251, 295, 305, 430, 502, 590, 610, 1255, 2510, 2537, 2623, 3599, 5074, 5246, 7198, 10793, 12685, 13115, 14809, 15311, 17995, 21586, 25370, 26230, 29618, 30622, 35990, 53965, 74045, 76555, 107930, 148090, 153110, 154757, 309514, 636787, 658373, 773785, 903349, 1273574, 1316746, 1547570, 1806698, 3183935, 3291865, 4516745, 6367870, 6583730, 9033490, 38844007, 77688014, 194220035, 388440070]

約数ペア:

[(1, 388440070), (2, 194220035), (5, 77688014), (10, 38844007), (43, 9033490), (59, 6583730), (61, 6367870), (86, 4516745), (118, 3291865), (122, 3183935), (215, 1806698), (251, 1547570), (295, 1316746), (305, 1273574), (430, 903349), (502, 773785), (590, 658373), (610, 636787), (1255, 309514), (2510, 154757), (2537, 153110), (2623, 148090), (3599, 107930), (5074, 76555), (5246, 74045), (7198, 53965), (10793, 35990), (12685, 30622), (13115, 29618), (14809, 26230), (15311, 25370), (17995, 21586)]