51131500

素因数分解:

$2^2\times 5^3\times 7^2\times {\mathrm{2087}}^1$

素因数の和:2120

約数の個数: 72

約数和(自身を含む): 129965472

約数和(自身を除く): 78833972

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 49, 50, 70, 98, 100, 125, 140, 175, 196, 245, 250, 350, 490, 500, 700, 875, 980, 1225, 1750, 2087, 2450, 3500, 4174, 4900, 6125, 8348, 10435, 12250, 14609, 20870, 24500, 29218, 41740, 52175, 58436, 73045, 102263, 104350, 146090, 204526, 208700, 260875, 292180, 365225, 409052, 511315, 521750, 730450, 1022630, 1043500, 1460900, 1826125, 2045260, 2556575, 3652250, 5113150, 7304500, 10226300, 12782875, 25565750, 51131500]

約数ペア:

[(1, 51131500), (2, 25565750), (4, 12782875), (5, 10226300), (7, 7304500), (10, 5113150), (14, 3652250), (20, 2556575), (25, 2045260), (28, 1826125), (35, 1460900), (49, 1043500), (50, 1022630), (70, 730450), (98, 521750), (100, 511315), (125, 409052), (140, 365225), (175, 292180), (196, 260875), (245, 208700), (250, 204526), (350, 146090), (490, 104350), (500, 102263), (700, 73045), (875, 58436), (980, 52175), (1225, 41740), (1750, 29218), (2087, 24500), (2450, 20870), (3500, 14609), (4174, 12250), (4900, 10435), (6125, 8348)]