140904290

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{557}}^1\times {\mathrm{617}}^1$

素因数の和:1222

約数の個数: 32

約数和(自身を含む): 260702064

約数和(自身を除く): 119797774

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 557, 617, 1114, 1234, 2785, 3085, 5570, 6170, 22837, 25297, 45674, 50594, 114185, 126485, 228370, 252970, 343669, 687338, 1718345, 3436690, 14090429, 28180858, 70452145, 140904290]

約数ペア:

[(1, 140904290), (2, 70452145), (5, 28180858), (10, 14090429), (41, 3436690), (82, 1718345), (205, 687338), (410, 343669), (557, 252970), (617, 228370), (1114, 126485), (1234, 114185), (2785, 50594), (3085, 45674), (5570, 25297), (6170, 22837)]