30723890

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{38891}}^1$

素因数の和:38977

約数の個数: 16

約数和(自身を含む): 56004480

約数和(自身を除く): 25280590

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 38891, 77782, 194455, 388910, 3072389, 6144778, 15361945, 30723890]

約数ペア:

[(1, 30723890), (2, 15361945), (5, 6144778), (10, 3072389), (79, 388910), (158, 194455), (395, 77782), (790, 38891)]