130178440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{464923}}^1$

素因数の和:464941

約数の個数: 32

約数和(自身を含む): 334745280

約数和(自身を除く): 204566840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 464923, 929846, 1859692, 2324615, 3254461, 3719384, 4649230, 6508922, 9298460, 13017844, 16272305, 18596920, 26035688, 32544610, 65089220, 130178440]

約数ペア:

[(1, 130178440), (2, 65089220), (4, 32544610), (5, 26035688), (7, 18596920), (8, 16272305), (10, 13017844), (14, 9298460), (20, 6508922), (28, 4649230), (35, 3719384), (40, 3254461), (56, 2324615), (70, 1859692), (140, 929846), (280, 464923)]