320189716

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{587}}^1$

素因数の和:650

約数の個数: 108

約数和(自身を含む): 748881504

約数和(自身を除く): 428691788

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 49, 77, 92, 98, 121, 154, 161, 196, 242, 253, 308, 322, 484, 506, 539, 587, 644, 847, 1012, 1078, 1127, 1174, 1694, 1771, 2156, 2254, 2348, 2783, 3388, 3542, 4109, 4508, 5566, 5929, 6457, 7084, 8218, 11132, 11858, 12397, 12914, 13501, 16436, 19481, 23716, 24794, 25828, 27002, 28763, 38962, 45199, 49588, 54004, 57526, 71027, 77924, 90398, 94507, 115052, 136367, 142054, 148511, 180796, 189014, 272734, 284108, 297022, 316393, 378028, 497189, 545468, 594044, 632786, 661549, 994378, 1039577, 1265572, 1323098, 1633621, 1988756, 2079154, 2646196, 3267242, 3480323, 4158308, 6534484, 6960646, 7277039, 11435347, 13921292, 14554078, 22870694, 29108156, 45741388, 80047429, 160094858, 320189716]

約数ペア:

[(1, 320189716), (2, 160094858), (4, 80047429), (7, 45741388), (11, 29108156), (14, 22870694), (22, 14554078), (23, 13921292), (28, 11435347), (44, 7277039), (46, 6960646), (49, 6534484), (77, 4158308), (92, 3480323), (98, 3267242), (121, 2646196), (154, 2079154), (161, 1988756), (196, 1633621), (242, 1323098), (253, 1265572), (308, 1039577), (322, 994378), (484, 661549), (506, 632786), (539, 594044), (587, 545468), (644, 497189), (847, 378028), (1012, 316393), (1078, 297022), (1127, 284108), (1174, 272734), (1694, 189014), (1771, 180796), (2156, 148511), (2254, 142054), (2348, 136367), (2783, 115052), (3388, 94507), (3542, 90398), (4109, 77924), (4508, 71027), (5566, 57526), (5929, 54004), (6457, 49588), (7084, 45199), (8218, 38962), (11132, 28763), (11858, 27002), (12397, 25828), (12914, 24794), (13501, 23716), (16436, 19481)]