826840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{2953}}^1$

素因数の和:2971

約数の個数: 32

約数和(自身を含む): 2126880

約数和(自身を除く): 1300040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 2953, 5906, 11812, 14765, 20671, 23624, 29530, 41342, 59060, 82684, 103355, 118120, 165368, 206710, 413420, 826840]

約数ペア:

[(1, 826840), (2, 413420), (4, 206710), (5, 165368), (7, 118120), (8, 103355), (10, 82684), (14, 59060), (20, 41342), (28, 29530), (35, 23624), (40, 20671), (56, 14765), (70, 11812), (140, 5906), (280, 2953)]