13918940

素因数分解:

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

素因数の和:2059

約数の個数: 48

約数和(自身を含む): 34104000

約数和(自身を除く): 20185060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 686, 980, 1372, 1715, 2029, 3430, 4058, 6860, 8116, 10145, 14203, 20290, 28406, 40580, 56812, 71015, 99421, 142030, 198842, 284060, 397684, 497105, 695947, 994210, 1391894, 1988420, 2783788, 3479735, 6959470, 13918940]

約数ペア:

[(1, 13918940), (2, 6959470), (4, 3479735), (5, 2783788), (7, 1988420), (10, 1391894), (14, 994210), (20, 695947), (28, 497105), (35, 397684), (49, 284060), (70, 198842), (98, 142030), (140, 99421), (196, 71015), (245, 56812), (343, 40580), (490, 28406), (686, 20290), (980, 14203), (1372, 10145), (1715, 8116), (2029, 6860), (3430, 4058)]