149589020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{7687}}^1$

素因数の和:7842

約数の個数: 48

約数和(自身を含む): 361643520

約数和(自身を除く): 212054500

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 278, 556, 695, 973, 1390, 1946, 2780, 3892, 4865, 7687, 9730, 15374, 19460, 30748, 38435, 53809, 76870, 107618, 153740, 215236, 269045, 538090, 1068493, 1076180, 2136986, 4273972, 5342465, 7479451, 10684930, 14958902, 21369860, 29917804, 37397255, 74794510, 149589020]

約数ペア:

[(1, 149589020), (2, 74794510), (4, 37397255), (5, 29917804), (7, 21369860), (10, 14958902), (14, 10684930), (20, 7479451), (28, 5342465), (35, 4273972), (70, 2136986), (139, 1076180), (140, 1068493), (278, 538090), (556, 269045), (695, 215236), (973, 153740), (1390, 107618), (1946, 76870), (2780, 53809), (3892, 38435), (4865, 30748), (7687, 19460), (9730, 15374)]