172290470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{68099}}^1$

素因数の和:68140

約数の個数: 32

約数和(自身を含む): 353030400

約数和(自身を除く): 180739930

約数列:

[1, 2, 5, 10, 11, 22, 23, 46, 55, 110, 115, 230, 253, 506, 1265, 2530, 68099, 136198, 340495, 680990, 749089, 1498178, 1566277, 3132554, 3745445, 7490890, 7831385, 15662770, 17229047, 34458094, 86145235, 172290470]

約数ペア:

[(1, 172290470), (2, 86145235), (5, 34458094), (10, 17229047), (11, 15662770), (22, 7831385), (23, 7490890), (46, 3745445), (55, 3132554), (110, 1566277), (115, 1498178), (230, 749089), (253, 680990), (506, 340495), (1265, 136198), (2530, 68099)]