78695540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{373}}^1$

素因数の和:537

約数の個数: 96

約数和(自身を含む): 208099584

約数和(自身を除く): 129404044

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 137, 140, 154, 220, 274, 308, 373, 385, 548, 685, 746, 770, 959, 1370, 1492, 1507, 1540, 1865, 1918, 2611, 2740, 3014, 3730, 3836, 4103, 4795, 5222, 6028, 7460, 7535, 8206, 9590, 10444, 10549, 13055, 15070, 16412, 19180, 20515, 21098, 26110, 28721, 30140, 41030, 42196, 51101, 52220, 52745, 57442, 82060, 102202, 105490, 114884, 143605, 204404, 210980, 255505, 287210, 357707, 511010, 562111, 574420, 715414, 1022020, 1124222, 1430828, 1788535, 2248444, 2810555, 3577070, 3934777, 5621110, 7154140, 7869554, 11242220, 15739108, 19673885, 39347770, 78695540]

約数ペア:

[(1, 78695540), (2, 39347770), (4, 19673885), (5, 15739108), (7, 11242220), (10, 7869554), (11, 7154140), (14, 5621110), (20, 3934777), (22, 3577070), (28, 2810555), (35, 2248444), (44, 1788535), (55, 1430828), (70, 1124222), (77, 1022020), (110, 715414), (137, 574420), (140, 562111), (154, 511010), (220, 357707), (274, 287210), (308, 255505), (373, 210980), (385, 204404), (548, 143605), (685, 114884), (746, 105490), (770, 102202), (959, 82060), (1370, 57442), (1492, 52745), (1507, 52220), (1540, 51101), (1865, 42196), (1918, 41030), (2611, 30140), (2740, 28721), (3014, 26110), (3730, 21098), (3836, 20515), (4103, 19180), (4795, 16412), (5222, 15070), (6028, 13055), (7460, 10549), (7535, 10444), (8206, 9590)]