221147710

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{73471}}^1$

素因数の和:73528

約数の個数: 32

約数和(自身を含む): 465518592

約数和(自身を除く): 244370882

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 70, 86, 215, 301, 430, 602, 1505, 3010, 73471, 146942, 367355, 514297, 734710, 1028594, 2571485, 3159253, 5142970, 6318506, 15796265, 22114771, 31592530, 44229542, 110573855, 221147710]

約数ペア:

[(1, 221147710), (2, 110573855), (5, 44229542), (7, 31592530), (10, 22114771), (14, 15796265), (35, 6318506), (43, 5142970), (70, 3159253), (86, 2571485), (215, 1028594), (301, 734710), (430, 514297), (602, 367355), (1505, 146942), (3010, 73471)]