3976840

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{2029}}^1$

素因数の和:2054

約数の個数: 48

約数和(自身を含む): 10413900

約数和(自身を除く): 6437060

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 2029, 4058, 8116, 10145, 14203, 16232, 20290, 28406, 40580, 56812, 71015, 81160, 99421, 113624, 142030, 198842, 284060, 397684, 497105, 568120, 795368, 994210, 1988420, 3976840]

約数ペア:

[(1, 3976840), (2, 1988420), (4, 994210), (5, 795368), (7, 568120), (8, 497105), (10, 397684), (14, 284060), (20, 198842), (28, 142030), (35, 113624), (40, 99421), (49, 81160), (56, 71015), (70, 56812), (98, 40580), (140, 28406), (196, 20290), (245, 16232), (280, 14203), (392, 10145), (490, 8116), (980, 4058), (1960, 2029)]