389116870

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{449}}^1\times {\mathrm{1097}}^1$

素因数の和:1632

約数の個数: 32

約数和(自身を含む): 711504000

約数和(自身を除く): 322387130

約数列:

[1, 2, 5, 10, 79, 158, 395, 449, 790, 898, 1097, 2194, 2245, 4490, 5485, 10970, 35471, 70942, 86663, 173326, 177355, 354710, 433315, 492553, 866630, 985106, 2462765, 4925530, 38911687, 77823374, 194558435, 389116870]

約数ペア:

[(1, 389116870), (2, 194558435), (5, 77823374), (10, 38911687), (79, 4925530), (158, 2462765), (395, 985106), (449, 866630), (790, 492553), (898, 433315), (1097, 354710), (2194, 177355), (2245, 173326), (4490, 86663), (5485, 70942), (10970, 35471)]