42429820

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{479}}^1$

素因数の和:634

約数の個数: 48

約数和(自身を含む): 92252160

約数和(自身を除く): 49822340

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 103, 172, 206, 215, 412, 430, 479, 515, 860, 958, 1030, 1916, 2060, 2395, 4429, 4790, 8858, 9580, 17716, 20597, 22145, 41194, 44290, 49337, 82388, 88580, 98674, 102985, 197348, 205970, 246685, 411940, 493370, 986740, 2121491, 4242982, 8485964, 10607455, 21214910, 42429820]

約数ペア:

[(1, 42429820), (2, 21214910), (4, 10607455), (5, 8485964), (10, 4242982), (20, 2121491), (43, 986740), (86, 493370), (103, 411940), (172, 246685), (206, 205970), (215, 197348), (412, 102985), (430, 98674), (479, 88580), (515, 82388), (860, 49337), (958, 44290), (1030, 41194), (1916, 22145), (2060, 20597), (2395, 17716), (4429, 9580), (4790, 8858)]