389670479530

素因数分解:

$2^1\times 5^1\times {\mathrm{251}}^1\times {\mathrm{155247203}}^1$

素因数の和:155247461

約数の個数: 16

約数和(自身を含む): 704201317344

約数和(自身を除く): 314530837814

約数列:

[1, 2, 5, 10, 251, 502, 1255, 2510, 155247203, 310494406, 776236015, 1552472030, 38967047953, 77934095906, 194835239765, 389670479530]

約数ペア:

[(1, 389670479530), (2, 194835239765), (5, 77934095906), (10, 38967047953), (251, 1552472030), (502, 776236015), (1255, 310494406), (2510, 155247203)]