212565760

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{487}}^1$

素因数の和:550

約数の個数: 144

約数和(自身を含む): 574543872

約数和(自身を除く): 361978112

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 248, 256, 310, 320, 341, 352, 440, 487, 496, 620, 640, 682, 704, 880, 974, 992, 1240, 1280, 1364, 1408, 1705, 1760, 1948, 1984, 2435, 2480, 2728, 2816, 3410, 3520, 3896, 3968, 4870, 4960, 5357, 5456, 6820, 7040, 7792, 7936, 9740, 9920, 10714, 10912, 13640, 14080, 15097, 15584, 19480, 19840, 21428, 21824, 26785, 27280, 30194, 31168, 38960, 39680, 42856, 43648, 53570, 54560, 60388, 62336, 75485, 77920, 85712, 87296, 107140, 109120, 120776, 124672, 150970, 155840, 166067, 171424, 214280, 218240, 241552, 301940, 311680, 332134, 342848, 428560, 436480, 483104, 603880, 623360, 664268, 685696, 830335, 857120, 966208, 1207760, 1328536, 1371392, 1660670, 1714240, 1932416, 2415520, 2657072, 3321340, 3428480, 3864832, 4831040, 5314144, 6642680, 6856960, 9662080, 10628288, 13285360, 19324160, 21256576, 26570720, 42513152, 53141440, 106282880, 212565760]

約数ペア:

[(1, 212565760), (2, 106282880), (4, 53141440), (5, 42513152), (8, 26570720), (10, 21256576), (11, 19324160), (16, 13285360), (20, 10628288), (22, 9662080), (31, 6856960), (32, 6642680), (40, 5314144), (44, 4831040), (55, 3864832), (62, 3428480), (64, 3321340), (80, 2657072), (88, 2415520), (110, 1932416), (124, 1714240), (128, 1660670), (155, 1371392), (160, 1328536), (176, 1207760), (220, 966208), (248, 857120), (256, 830335), (310, 685696), (320, 664268), (341, 623360), (352, 603880), (440, 483104), (487, 436480), (496, 428560), (620, 342848), (640, 332134), (682, 311680), (704, 301940), (880, 241552), (974, 218240), (992, 214280), (1240, 171424), (1280, 166067), (1364, 155840), (1408, 150970), (1705, 124672), (1760, 120776), (1948, 109120), (1984, 107140), (2435, 87296), (2480, 85712), (2728, 77920), (2816, 75485), (3410, 62336), (3520, 60388), (3896, 54560), (3968, 53570), (4870, 43648), (4960, 42856), (5357, 39680), (5456, 38960), (6820, 31168), (7040, 30194), (7792, 27280), (7936, 26785), (9740, 21824), (9920, 21428), (10714, 19840), (10912, 19480), (13640, 15584), (14080, 15097)]