68999900

素因数分解:

$2^2\times 5^2\times {\mathrm{251}}^1\times {\mathrm{2749}}^1$

素因数の和:3014

約数の個数: 36

約数和(自身を含む): 150381000

約数和(自身を除く): 81381100

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 251, 502, 1004, 1255, 2510, 2749, 5020, 5498, 6275, 10996, 12550, 13745, 25100, 27490, 54980, 68725, 137450, 274900, 689999, 1379998, 2759996, 3449995, 6899990, 13799980, 17249975, 34499950, 68999900]

約数ペア:

[(1, 68999900), (2, 34499950), (4, 17249975), (5, 13799980), (10, 6899990), (20, 3449995), (25, 2759996), (50, 1379998), (100, 689999), (251, 274900), (502, 137450), (1004, 68725), (1255, 54980), (2510, 27490), (2749, 25100), (5020, 13745), (5498, 12550), (6275, 10996)]