66542980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{67901}}^1$

素因数の和:67924

約数の個数: 36

約数和(自身を含む): 162557388

約数和(自身を除く): 96014408

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 67901, 135802, 271604, 339505, 475307, 679010, 950614, 1358020, 1901228, 2376535, 3327149, 4753070, 6654298, 9506140, 13308596, 16635745, 33271490, 66542980]

約数ペア:

[(1, 66542980), (2, 33271490), (4, 16635745), (5, 13308596), (7, 9506140), (10, 6654298), (14, 4753070), (20, 3327149), (28, 2376535), (35, 1901228), (49, 1358020), (70, 950614), (98, 679010), (140, 475307), (196, 339505), (245, 271604), (490, 135802), (980, 67901)]