129668840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{463103}}^1$

素因数の和:463121

約数の個数: 32

約数和(自身を含む): 333434880

約数和(自身を除く): 203766040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 463103, 926206, 1852412, 2315515, 3241721, 3704824, 4631030, 6483442, 9262060, 12966884, 16208605, 18524120, 25933768, 32417210, 64834420, 129668840]

約数ペア:

[(1, 129668840), (2, 64834420), (4, 32417210), (5, 25933768), (7, 18524120), (8, 16208605), (10, 12966884), (14, 9262060), (20, 6483442), (28, 4631030), (35, 3704824), (40, 3241721), (56, 2315515), (70, 1852412), (140, 926206), (280, 463103)]