30831290

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{62921}}^1$

素因数の和:62942

約数の個数: 24

約数和(自身を含む): 64557972

約数和(自身を除く): 33726682

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 62921, 125842, 314605, 440447, 629210, 880894, 2202235, 3083129, 4404470, 6166258, 15415645, 30831290]

約数ペア:

[(1, 30831290), (2, 15415645), (5, 6166258), (7, 4404470), (10, 3083129), (14, 2202235), (35, 880894), (49, 629210), (70, 440447), (98, 314605), (245, 125842), (490, 62921)]