139604800

素因数分解:

$2^6\times 5^2\times {\mathrm{87253}}^1$

素因数の和:87275

約数の個数: 42

約数和(自身を含む): 343518998

約数和(自身を除く): 203914198

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 87253, 174506, 349012, 436265, 698024, 872530, 1396048, 1745060, 2181325, 2792096, 3490120, 4362650, 5584192, 6980240, 8725300, 13960480, 17450600, 27920960, 34901200, 69802400, 139604800]

約数ペア:

[(1, 139604800), (2, 69802400), (4, 34901200), (5, 27920960), (8, 17450600), (10, 13960480), (16, 8725300), (20, 6980240), (25, 5584192), (32, 4362650), (40, 3490120), (50, 2792096), (64, 2181325), (80, 1745060), (100, 1396048), (160, 872530), (200, 698024), (320, 436265), (400, 349012), (800, 174506), (1600, 87253)]