131903240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{431}}^1\times {\mathrm{1093}}^1$

素因数の和:1542

約数の個数: 64

約数和(自身を含む): 340277760

約数和(自身を除く): 208374520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 431, 862, 1093, 1724, 2155, 2186, 3017, 3448, 4310, 4372, 5465, 6034, 7651, 8620, 8744, 10930, 12068, 15085, 15302, 17240, 21860, 24136, 30170, 30604, 38255, 43720, 60340, 61208, 76510, 120680, 153020, 306040, 471083, 942166, 1884332, 2355415, 3297581, 3768664, 4710830, 6595162, 9421660, 13190324, 16487905, 18843320, 26380648, 32975810, 65951620, 131903240]

約数ペア:

[(1, 131903240), (2, 65951620), (4, 32975810), (5, 26380648), (7, 18843320), (8, 16487905), (10, 13190324), (14, 9421660), (20, 6595162), (28, 4710830), (35, 3768664), (40, 3297581), (56, 2355415), (70, 1884332), (140, 942166), (280, 471083), (431, 306040), (862, 153020), (1093, 120680), (1724, 76510), (2155, 61208), (2186, 60340), (3017, 43720), (3448, 38255), (4310, 30604), (4372, 30170), (5465, 24136), (6034, 21860), (7651, 17240), (8620, 15302), (8744, 15085), (10930, 12068)]