207943960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{742657}}^1$

素因数の和:742675

約数の個数: 32

約数和(自身を含む): 534713760

約数和(自身を除く): 326769800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 742657, 1485314, 2970628, 3713285, 5198599, 5941256, 7426570, 10397198, 14853140, 20794396, 25992995, 29706280, 41588792, 51985990, 103971980, 207943960]

約数ペア:

[(1, 207943960), (2, 103971980), (4, 51985990), (5, 41588792), (7, 29706280), (8, 25992995), (10, 20794396), (14, 14853140), (20, 10397198), (28, 7426570), (35, 5941256), (40, 5198599), (56, 3713285), (70, 2970628), (140, 1485314), (280, 742657)]