31443020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2099}}^1$

素因数の和:2222

約数の個数: 48

約数和(自身を含む): 76204800

約数和(自身を除く): 44761780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 107, 140, 214, 428, 535, 749, 1070, 1498, 2099, 2140, 2996, 3745, 4198, 7490, 8396, 10495, 14693, 14980, 20990, 29386, 41980, 58772, 73465, 146930, 224593, 293860, 449186, 898372, 1122965, 1572151, 2245930, 3144302, 4491860, 6288604, 7860755, 15721510, 31443020]

約数ペア:

[(1, 31443020), (2, 15721510), (4, 7860755), (5, 6288604), (7, 4491860), (10, 3144302), (14, 2245930), (20, 1572151), (28, 1122965), (35, 898372), (70, 449186), (107, 293860), (140, 224593), (214, 146930), (428, 73465), (535, 58772), (749, 41980), (1070, 29386), (1498, 20990), (2099, 14980), (2140, 14693), (2996, 10495), (3745, 8396), (4198, 7490)]