140250305

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 197144640

約数和(自身を除く): 56894335

約数列:

[1, 5, 13, 19, 43, 65, 95, 139, 215, 247, 361, 559, 695, 817, 1235, 1805, 1807, 2641, 2795, 4085, 4693, 5977, 9035, 10621, 13205, 15523, 23465, 29885, 34333, 50179, 53105, 77615, 77701, 113563, 171665, 201799, 250895, 388505, 567815, 652327, 1008995, 1476319, 2157697, 3261635, 7381595, 10788485, 28050061, 140250305]

約数ペア:

[(1, 140250305), (5, 28050061), (13, 10788485), (19, 7381595), (43, 3261635), (65, 2157697), (95, 1476319), (139, 1008995), (215, 652327), (247, 567815), (361, 388505), (559, 250895), (695, 201799), (817, 171665), (1235, 113563), (1805, 77701), (1807, 77615), (2641, 53105), (2795, 50179), (4085, 34333), (4693, 29885), (5977, 23465), (9035, 15523), (10621, 13205)]