30855776

素因数分解:

$2^5\times 7^1\times {\mathrm{139}}^1\times {\mathrm{991}}^1$

素因数の和:1147

約数の個数: 48

約数和(自身を含む): 69995520

約数和(自身を除く): 39139744

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 139, 224, 278, 556, 973, 991, 1112, 1946, 1982, 2224, 3892, 3964, 4448, 6937, 7784, 7928, 13874, 15568, 15856, 27748, 31136, 31712, 55496, 110992, 137749, 221984, 275498, 550996, 964243, 1101992, 1928486, 2203984, 3856972, 4407968, 7713944, 15427888, 30855776]

約数ペア:

[(1, 30855776), (2, 15427888), (4, 7713944), (7, 4407968), (8, 3856972), (14, 2203984), (16, 1928486), (28, 1101992), (32, 964243), (56, 550996), (112, 275498), (139, 221984), (224, 137749), (278, 110992), (556, 55496), (973, 31712), (991, 31136), (1112, 27748), (1946, 15856), (1982, 15568), (2224, 13874), (3892, 7928), (3964, 7784), (4448, 6937)]