30491440

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{54449}}^1$

素因数の和:54469

約数の個数: 40

約数和(自身を含む): 81021600

約数和(自身を除く): 50530160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 54449, 108898, 217796, 272245, 381143, 435592, 544490, 762286, 871184, 1088980, 1524572, 1905715, 2177960, 3049144, 3811430, 4355920, 6098288, 7622860, 15245720, 30491440]

約数ペア:

[(1, 30491440), (2, 15245720), (4, 7622860), (5, 6098288), (7, 4355920), (8, 3811430), (10, 3049144), (14, 2177960), (16, 1905715), (20, 1524572), (28, 1088980), (35, 871184), (40, 762286), (56, 544490), (70, 435592), (80, 381143), (112, 272245), (140, 217796), (280, 108898), (560, 54449)]