211714900

素因数分解:

$2^2\times 5^2\times {\mathrm{71}}^1\times {\mathrm{29819}}^1$

素因数の和:29904

約数の個数: 36

約数和(自身を含む): 465907680

約数和(自身を除く): 254192780

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 71, 100, 142, 284, 355, 710, 1420, 1775, 3550, 7100, 29819, 59638, 119276, 149095, 298190, 596380, 745475, 1490950, 2117149, 2981900, 4234298, 8468596, 10585745, 21171490, 42342980, 52928725, 105857450, 211714900]

約数ペア:

[(1, 211714900), (2, 105857450), (4, 52928725), (5, 42342980), (10, 21171490), (20, 10585745), (25, 8468596), (50, 4234298), (71, 2981900), (100, 2117149), (142, 1490950), (284, 745475), (355, 596380), (710, 298190), (1420, 149095), (1775, 119276), (3550, 59638), (7100, 29819)]