389804930

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^2\times {\mathrm{13877}}^1$

素因数の和:13990

約数の個数: 24

約数和(自身を含む): 715188852

約数和(自身を除く): 325383922

約数列:

[1, 2, 5, 10, 53, 106, 265, 530, 2809, 5618, 13877, 14045, 27754, 28090, 69385, 138770, 735481, 1470962, 3677405, 7354810, 38980493, 77960986, 194902465, 389804930]

約数ペア:

[(1, 389804930), (2, 194902465), (5, 77960986), (10, 38980493), (53, 7354810), (106, 3677405), (265, 1470962), (530, 735481), (2809, 138770), (5618, 69385), (13877, 28090), (14045, 27754)]