30519440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{54499}}^1$

素因数の和:54519

約数の個数: 40

約数和(自身を含む): 81096000

約数和(自身を除く): 50576560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 54499, 108998, 217996, 272495, 381493, 435992, 544990, 762986, 871984, 1089980, 1525972, 1907465, 2179960, 3051944, 3814930, 4359920, 6103888, 7629860, 15259720, 30519440]

約数ペア:

[(1, 30519440), (2, 15259720), (4, 7629860), (5, 6103888), (7, 4359920), (8, 3814930), (10, 3051944), (14, 2179960), (16, 1907465), (20, 1525972), (28, 1089980), (35, 871984), (40, 762986), (56, 544990), (70, 435992), (80, 381493), (112, 272495), (140, 217996), (280, 108998), (560, 54499)]