87426740

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{277}}^1\times {\mathrm{367}}^1$

素因数の和:696

約数の個数: 48

約数和(自身を含む): 189057792

約数和(自身を除く): 101631052

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 277, 367, 430, 554, 734, 860, 1108, 1385, 1468, 1835, 2770, 3670, 5540, 7340, 11911, 15781, 23822, 31562, 47644, 59555, 63124, 78905, 101659, 119110, 157810, 203318, 238220, 315620, 406636, 508295, 1016590, 2033180, 4371337, 8742674, 17485348, 21856685, 43713370, 87426740]

約数ペア:

[(1, 87426740), (2, 43713370), (4, 21856685), (5, 17485348), (10, 8742674), (20, 4371337), (43, 2033180), (86, 1016590), (172, 508295), (215, 406636), (277, 315620), (367, 238220), (430, 203318), (554, 157810), (734, 119110), (860, 101659), (1108, 78905), (1385, 63124), (1468, 59555), (1835, 47644), (2770, 31562), (3670, 23822), (5540, 15781), (7340, 11911)]