56638540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2953}}^1$

素因数の和:3106

約数の個数: 48

約数和(自身を含む): 136971072

約数和(自身を除く): 80332532

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 137, 140, 274, 548, 685, 959, 1370, 1918, 2740, 2953, 3836, 4795, 5906, 9590, 11812, 14765, 19180, 20671, 29530, 41342, 59060, 82684, 103355, 206710, 404561, 413420, 809122, 1618244, 2022805, 2831927, 4045610, 5663854, 8091220, 11327708, 14159635, 28319270, 56638540]

約数ペア:

[(1, 56638540), (2, 28319270), (4, 14159635), (5, 11327708), (7, 8091220), (10, 5663854), (14, 4045610), (20, 2831927), (28, 2022805), (35, 1618244), (70, 809122), (137, 413420), (140, 404561), (274, 206710), (548, 103355), (685, 82684), (959, 59060), (1370, 41342), (1918, 29530), (2740, 20671), (2953, 19180), (3836, 14765), (4795, 11812), (5906, 9590)]