2721554440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{27737}}^1$

素因数の和:27982

約数の個数: 64

約数和(自身を含む): 6710376960

約数和(自身を除く): 3988822520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 223, 440, 446, 892, 1115, 1784, 2230, 2453, 4460, 4906, 8920, 9812, 12265, 19624, 24530, 27737, 49060, 55474, 98120, 110948, 138685, 221896, 277370, 305107, 554740, 610214, 1109480, 1220428, 1525535, 2440856, 3051070, 6102140, 6185351, 12204280, 12370702, 24741404, 30926755, 49482808, 61853510, 68038861, 123707020, 136077722, 247414040, 272155444, 340194305, 544310888, 680388610, 1360777220, 2721554440]

約数ペア:

[(1, 2721554440), (2, 1360777220), (4, 680388610), (5, 544310888), (8, 340194305), (10, 272155444), (11, 247414040), (20, 136077722), (22, 123707020), (40, 68038861), (44, 61853510), (55, 49482808), (88, 30926755), (110, 24741404), (220, 12370702), (223, 12204280), (440, 6185351), (446, 6102140), (892, 3051070), (1115, 2440856), (1784, 1525535), (2230, 1220428), (2453, 1109480), (4460, 610214), (4906, 554740), (8920, 305107), (9812, 277370), (12265, 221896), (19624, 138685), (24530, 110948), (27737, 98120), (49060, 55474)]