68857700

素因数分解:

$2^2\times 5^2\times {\mathrm{349}}^1\times {\mathrm{1973}}^1$

素因数の和:2336

約数の個数: 36

約数和(自身を含む): 149925300

約数和(自身を除く): 81067600

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 349, 698, 1396, 1745, 1973, 3490, 3946, 6980, 7892, 8725, 9865, 17450, 19730, 34900, 39460, 49325, 98650, 197300, 688577, 1377154, 2754308, 3442885, 6885770, 13771540, 17214425, 34428850, 68857700]

約数ペア:

[(1, 68857700), (2, 34428850), (4, 17214425), (5, 13771540), (10, 6885770), (20, 3442885), (25, 2754308), (50, 1377154), (100, 688577), (349, 197300), (698, 98650), (1396, 49325), (1745, 39460), (1973, 34900), (3490, 19730), (3946, 17450), (6980, 9865), (7892, 8725)]