339104240

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{491}}^1$

素因数の和:690

約数の個数: 80

約数和(自身を含む): 807135840

約数和(自身を除く): 468031600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 97, 178, 194, 356, 388, 445, 485, 491, 712, 776, 890, 970, 982, 1424, 1552, 1780, 1940, 1964, 2455, 3560, 3880, 3928, 4910, 7120, 7760, 7856, 8633, 9820, 17266, 19640, 34532, 39280, 43165, 43699, 47627, 69064, 86330, 87398, 95254, 138128, 172660, 174796, 190508, 218495, 238135, 345320, 349592, 381016, 436990, 476270, 690640, 699184, 762032, 873980, 952540, 1747960, 1905080, 3495920, 3810160, 4238803, 8477606, 16955212, 21194015, 33910424, 42388030, 67820848, 84776060, 169552120, 339104240]

約数ペア:

[(1, 339104240), (2, 169552120), (4, 84776060), (5, 67820848), (8, 42388030), (10, 33910424), (16, 21194015), (20, 16955212), (40, 8477606), (80, 4238803), (89, 3810160), (97, 3495920), (178, 1905080), (194, 1747960), (356, 952540), (388, 873980), (445, 762032), (485, 699184), (491, 690640), (712, 476270), (776, 436990), (890, 381016), (970, 349592), (982, 345320), (1424, 238135), (1552, 218495), (1780, 190508), (1940, 174796), (1964, 172660), (2455, 138128), (3560, 95254), (3880, 87398), (3928, 86330), (4910, 69064), (7120, 47627), (7760, 43699), (7856, 43165), (8633, 39280), (9820, 34532), (17266, 19640)]