311442010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{20369}}^1$

素因数の和:20526

約数の個数: 32

約数和(自身を含む): 615988800

約数和(自身を除く): 304546790

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 139, 278, 695, 1390, 1529, 3058, 7645, 15290, 20369, 40738, 101845, 203690, 224059, 448118, 1120295, 2240590, 2831291, 5662582, 14156455, 28312910, 31144201, 62288402, 155721005, 311442010]

約数ペア:

[(1, 311442010), (2, 155721005), (5, 62288402), (10, 31144201), (11, 28312910), (22, 14156455), (55, 5662582), (110, 2831291), (139, 2240590), (278, 1120295), (695, 448118), (1390, 224059), (1529, 203690), (3058, 101845), (7645, 40738), (15290, 20369)]