2938460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 7150080

約数和(自身を除く): 4211620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 139, 140, 151, 278, 302, 556, 604, 695, 755, 973, 1057, 1390, 1510, 1946, 2114, 2780, 3020, 3892, 4228, 4865, 5285, 9730, 10570, 19460, 20989, 21140, 41978, 83956, 104945, 146923, 209890, 293846, 419780, 587692, 734615, 1469230, 2938460]

約数ペア:

[(1, 2938460), (2, 1469230), (4, 734615), (5, 587692), (7, 419780), (10, 293846), (14, 209890), (20, 146923), (28, 104945), (35, 83956), (70, 41978), (139, 21140), (140, 20989), (151, 19460), (278, 10570), (302, 9730), (556, 5285), (604, 4865), (695, 4228), (755, 3892), (973, 3020), (1057, 2780), (1390, 2114), (1510, 1946)]