140043470

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{40829}}^1$

素因数の和:40857

約数の個数: 32

約数和(自身を含む): 293976000

約数和(自身を除く): 153932530

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 490, 686, 1715, 3430, 40829, 81658, 204145, 285803, 408290, 571606, 1429015, 2000621, 2858030, 4001242, 10003105, 14004347, 20006210, 28008694, 70021735, 140043470]

約数ペア:

[(1, 140043470), (2, 70021735), (5, 28008694), (7, 20006210), (10, 14004347), (14, 10003105), (35, 4001242), (49, 2858030), (70, 2000621), (98, 1429015), (245, 571606), (343, 408290), (490, 285803), (686, 204145), (1715, 81658), (3430, 40829)]