30809072

素因数分解:

$2^4\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1979}}^1$

素因数の和:2133

約数の個数: 40

約数和(自身を含む): 68745600

約数和(自身を除く): 37936528

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 139, 278, 556, 973, 1112, 1946, 1979, 2224, 3892, 3958, 7784, 7916, 13853, 15568, 15832, 27706, 31664, 55412, 110824, 221648, 275081, 550162, 1100324, 1925567, 2200648, 3851134, 4401296, 7702268, 15404536, 30809072]

約数ペア:

[(1, 30809072), (2, 15404536), (4, 7702268), (7, 4401296), (8, 3851134), (14, 2200648), (16, 1925567), (28, 1100324), (56, 550162), (112, 275081), (139, 221648), (278, 110824), (556, 55412), (973, 31664), (1112, 27706), (1946, 15832), (1979, 15568), (2224, 13853), (3892, 7916), (3958, 7784)]