861010990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{119419}}^1$

素因数の和:119536

約数の個数: 32

約数和(自身を含む): 1788433920

約数和(自身を除く): 927422930

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 103, 206, 515, 721, 1030, 1442, 3605, 7210, 119419, 238838, 597095, 835933, 1194190, 1671866, 4179665, 8359330, 12300157, 24600314, 61500785, 86101099, 123001570, 172202198, 430505495, 861010990]

約数ペア:

[(1, 861010990), (2, 430505495), (5, 172202198), (7, 123001570), (10, 86101099), (14, 61500785), (35, 24600314), (70, 12300157), (103, 8359330), (206, 4179665), (515, 1671866), (721, 1194190), (1030, 835933), (1442, 597095), (3605, 238838), (7210, 119419)]