129215380

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{40129}}^1$

素因数の和:40168

約数の個数: 48

約数和(自身を含む): 323608320

約数和(自身を除く): 194392940

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 70, 92, 115, 140, 161, 230, 322, 460, 644, 805, 1610, 3220, 40129, 80258, 160516, 200645, 280903, 401290, 561806, 802580, 922967, 1123612, 1404515, 1845934, 2809030, 3691868, 4614835, 5618060, 6460769, 9229670, 12921538, 18459340, 25843076, 32303845, 64607690, 129215380]

約数ペア:

[(1, 129215380), (2, 64607690), (4, 32303845), (5, 25843076), (7, 18459340), (10, 12921538), (14, 9229670), (20, 6460769), (23, 5618060), (28, 4614835), (35, 3691868), (46, 2809030), (70, 1845934), (92, 1404515), (115, 1123612), (140, 922967), (161, 802580), (230, 561806), (322, 401290), (460, 280903), (644, 200645), (805, 160516), (1610, 80258), (3220, 40129)]