78987900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{263293}}^1$

素因数の和:263310

約数の個数: 36

約数和(自身を含む): 228539192

約数和(自身を除く): 149551292

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 60, 75, 100, 150, 300, 263293, 526586, 789879, 1053172, 1316465, 1579758, 2632930, 3159516, 3949395, 5265860, 6582325, 7898790, 13164650, 15797580, 19746975, 26329300, 39493950, 78987900]

約数ペア:

[(1, 78987900), (2, 39493950), (3, 26329300), (4, 19746975), (5, 15797580), (6, 13164650), (10, 7898790), (12, 6582325), (15, 5265860), (20, 3949395), (25, 3159516), (30, 2632930), (50, 1579758), (60, 1316465), (75, 1053172), (100, 789879), (150, 526586), (300, 263293)]