201617680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{1163}}^1$

素因数の和:1384

約数の個数: 80

約数和(自身を含む): 514413504

約数和(自身を除く): 312795824

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 197, 220, 394, 440, 788, 880, 985, 1163, 1576, 1970, 2167, 2326, 3152, 3940, 4334, 4652, 5815, 7880, 8668, 9304, 10835, 11630, 12793, 15760, 17336, 18608, 21670, 23260, 25586, 34672, 43340, 46520, 51172, 63965, 86680, 93040, 102344, 127930, 173360, 204688, 229111, 255860, 458222, 511720, 916444, 1023440, 1145555, 1832888, 2291110, 2520221, 3665776, 4582220, 5040442, 9164440, 10080884, 12601105, 18328880, 20161768, 25202210, 40323536, 50404420, 100808840, 201617680]

約数ペア:

[(1, 201617680), (2, 100808840), (4, 50404420), (5, 40323536), (8, 25202210), (10, 20161768), (11, 18328880), (16, 12601105), (20, 10080884), (22, 9164440), (40, 5040442), (44, 4582220), (55, 3665776), (80, 2520221), (88, 2291110), (110, 1832888), (176, 1145555), (197, 1023440), (220, 916444), (394, 511720), (440, 458222), (788, 255860), (880, 229111), (985, 204688), (1163, 173360), (1576, 127930), (1970, 102344), (2167, 93040), (2326, 86680), (3152, 63965), (3940, 51172), (4334, 46520), (4652, 43340), (5815, 34672), (7880, 25586), (8668, 23260), (9304, 21670), (10835, 18608), (11630, 17336), (12793, 15760)]