66627260

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{67987}}^1$

素因数の和:68010

約数の個数: 36

約数和(自身を含む): 162763272

約数和(自身を除く): 96136012

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 67987, 135974, 271948, 339935, 475909, 679870, 951818, 1359740, 1903636, 2379545, 3331363, 4759090, 6662726, 9518180, 13325452, 16656815, 33313630, 66627260]

約数ペア:

[(1, 66627260), (2, 33313630), (4, 16656815), (5, 13325452), (7, 9518180), (10, 6662726), (14, 4759090), (20, 3331363), (28, 2379545), (35, 1903636), (49, 1359740), (70, 951818), (98, 679870), (140, 475909), (196, 339935), (245, 271948), (490, 135974), (980, 67987)]