66842860

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{68207}}^1$

素因数の和:68230

約数の個数: 36

約数和(自身を含む): 163289952

約数和(自身を除く): 96447092

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 68207, 136414, 272828, 341035, 477449, 682070, 954898, 1364140, 1909796, 2387245, 3342143, 4774490, 6684286, 9548980, 13368572, 16710715, 33421430, 66842860]

約数ペア:

[(1, 66842860), (2, 33421430), (4, 16710715), (5, 13368572), (7, 9548980), (10, 6684286), (14, 4774490), (20, 3342143), (28, 2387245), (35, 1909796), (49, 1364140), (70, 954898), (98, 682070), (140, 477449), (196, 341035), (245, 272828), (490, 136414), (980, 68207)]