208078710

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{990851}}^1$

素因数の和:990868

約数の個数: 32

約数和(自身を含む): 570730752

約数和(自身を除く): 362652042

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 990851, 1981702, 2972553, 4954255, 5945106, 6935957, 9908510, 13871914, 14862765, 20807871, 29725530, 34679785, 41615742, 69359570, 104039355, 208078710]

約数ペア:

[(1, 208078710), (2, 104039355), (3, 69359570), (5, 41615742), (6, 34679785), (7, 29725530), (10, 20807871), (14, 14862765), (15, 13871914), (21, 9908510), (30, 6935957), (35, 5945106), (42, 4954255), (70, 2972553), (105, 1981702), (210, 990851)]