78980900

素因数分解:

$2^2\times 5^2\times {\mathrm{743}}^1\times {\mathrm{1063}}^1$

素因数の和:1820

約数の個数: 36

約数和(自身を含む): 171780672

約数和(自身を除く): 92799772

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 743, 1063, 1486, 2126, 2972, 3715, 4252, 5315, 7430, 10630, 14860, 18575, 21260, 26575, 37150, 53150, 74300, 106300, 789809, 1579618, 3159236, 3949045, 7898090, 15796180, 19745225, 39490450, 78980900]

約数ペア:

[(1, 78980900), (2, 39490450), (4, 19745225), (5, 15796180), (10, 7898090), (20, 3949045), (25, 3159236), (50, 1579618), (100, 789809), (743, 106300), (1063, 74300), (1486, 53150), (2126, 37150), (2972, 26575), (3715, 21260), (4252, 18575), (5315, 14860), (7430, 10630)]