71354220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{169891}}^1$

素因数の和:169910

約数の個数: 48

約数和(自身を含む): 228334848

約数和(自身を除く): 156980628

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 169891, 339782, 509673, 679564, 849455, 1019346, 1189237, 1698910, 2038692, 2378474, 2548365, 3397820, 3567711, 4756948, 5096730, 5946185, 7135422, 10193460, 11892370, 14270844, 17838555, 23784740, 35677110, 71354220]

約数ペア:

[(1, 71354220), (2, 35677110), (3, 23784740), (4, 17838555), (5, 14270844), (6, 11892370), (7, 10193460), (10, 7135422), (12, 5946185), (14, 5096730), (15, 4756948), (20, 3567711), (21, 3397820), (28, 2548365), (30, 2378474), (35, 2038692), (42, 1698910), (60, 1189237), (70, 1019346), (84, 849455), (105, 679564), (140, 509673), (210, 339782), (420, 169891)]