209020570

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{359}}^1$

素因数の和:523

約数の個数: 64

約数和(自身を含む): 423014400

約数和(自身を除く): 213993830

約数列:

[1, 2, 5, 10, 11, 22, 55, 67, 79, 110, 134, 158, 335, 359, 395, 670, 718, 737, 790, 869, 1474, 1738, 1795, 3590, 3685, 3949, 4345, 5293, 7370, 7898, 8690, 10586, 19745, 24053, 26465, 28361, 39490, 48106, 52930, 56722, 58223, 116446, 120265, 141805, 240530, 264583, 283610, 291115, 311971, 529166, 582230, 623942, 1322915, 1559855, 1900187, 2645830, 3119710, 3800374, 9500935, 19001870, 20902057, 41804114, 104510285, 209020570]

約数ペア:

[(1, 209020570), (2, 104510285), (5, 41804114), (10, 20902057), (11, 19001870), (22, 9500935), (55, 3800374), (67, 3119710), (79, 2645830), (110, 1900187), (134, 1559855), (158, 1322915), (335, 623942), (359, 582230), (395, 529166), (670, 311971), (718, 291115), (737, 283610), (790, 264583), (869, 240530), (1474, 141805), (1738, 120265), (1795, 116446), (3590, 58223), (3685, 56722), (3949, 52930), (4345, 48106), (5293, 39490), (7370, 28361), (7898, 26465), (8690, 24053), (10586, 19745)]