254328180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{491}}^1$

素因数の和:689

約数の個数: 96

約数和(自身を含む): 729025920

約数和(自身を除く): 474697740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 97, 178, 194, 267, 291, 356, 388, 445, 485, 491, 534, 582, 890, 970, 982, 1068, 1164, 1335, 1455, 1473, 1780, 1940, 1964, 2455, 2670, 2910, 2946, 4910, 5340, 5820, 5892, 7365, 8633, 9820, 14730, 17266, 25899, 29460, 34532, 43165, 43699, 47627, 51798, 86330, 87398, 95254, 103596, 129495, 131097, 142881, 172660, 174796, 190508, 218495, 238135, 258990, 262194, 285762, 436990, 476270, 517980, 524388, 571524, 655485, 714405, 873980, 952540, 1310970, 1428810, 2621940, 2857620, 4238803, 8477606, 12716409, 16955212, 21194015, 25432818, 42388030, 50865636, 63582045, 84776060, 127164090, 254328180]

約数ペア:

[(1, 254328180), (2, 127164090), (3, 84776060), (4, 63582045), (5, 50865636), (6, 42388030), (10, 25432818), (12, 21194015), (15, 16955212), (20, 12716409), (30, 8477606), (60, 4238803), (89, 2857620), (97, 2621940), (178, 1428810), (194, 1310970), (267, 952540), (291, 873980), (356, 714405), (388, 655485), (445, 571524), (485, 524388), (491, 517980), (534, 476270), (582, 436990), (890, 285762), (970, 262194), (982, 258990), (1068, 238135), (1164, 218495), (1335, 190508), (1455, 174796), (1473, 172660), (1780, 142881), (1940, 131097), (1964, 129495), (2455, 103596), (2670, 95254), (2910, 87398), (2946, 86330), (4910, 51798), (5340, 47627), (5820, 43699), (5892, 43165), (7365, 34532), (8633, 29460), (9820, 25899), (14730, 17266)]