135236220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{321991}}^1$

素因数の和:322010

約数の個数: 48

約数和(自身を含む): 432757248

約数和(自身を除く): 297521028

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 321991, 643982, 965973, 1287964, 1609955, 1931946, 2253937, 3219910, 3863892, 4507874, 4829865, 6439820, 6761811, 9015748, 9659730, 11269685, 13523622, 19319460, 22539370, 27047244, 33809055, 45078740, 67618110, 135236220]

約数ペア:

[(1, 135236220), (2, 67618110), (3, 45078740), (4, 33809055), (5, 27047244), (6, 22539370), (7, 19319460), (10, 13523622), (12, 11269685), (14, 9659730), (15, 9015748), (20, 6761811), (21, 6439820), (28, 4829865), (30, 4507874), (35, 3863892), (42, 3219910), (60, 2253937), (70, 1931946), (84, 1609955), (105, 1287964), (140, 965973), (210, 643982), (420, 321991)]