158192440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{564973}}^1$

素因数の和:564991

約数の個数: 32

約数和(自身を含む): 406781280

約数和(自身を除く): 248588840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 564973, 1129946, 2259892, 2824865, 3954811, 4519784, 5649730, 7909622, 11299460, 15819244, 19774055, 22598920, 31638488, 39548110, 79096220, 158192440]

約数ペア:

[(1, 158192440), (2, 79096220), (4, 39548110), (5, 31638488), (7, 22598920), (8, 19774055), (10, 15819244), (14, 11299460), (20, 7909622), (28, 5649730), (35, 4519784), (40, 3954811), (56, 2824865), (70, 2259892), (140, 1129946), (280, 564973)]