4197800

素因数分解:

$2^3\times 5^2\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 9895200

約数和(自身を除く): 5697400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 139, 151, 200, 278, 302, 556, 604, 695, 755, 1112, 1208, 1390, 1510, 2780, 3020, 3475, 3775, 5560, 6040, 6950, 7550, 13900, 15100, 20989, 27800, 30200, 41978, 83956, 104945, 167912, 209890, 419780, 524725, 839560, 1049450, 2098900, 4197800]

約数ペア:

[(1, 4197800), (2, 2098900), (4, 1049450), (5, 839560), (8, 524725), (10, 419780), (20, 209890), (25, 167912), (40, 104945), (50, 83956), (100, 41978), (139, 30200), (151, 27800), (200, 20989), (278, 15100), (302, 13900), (556, 7550), (604, 6950), (695, 6040), (755, 5560), (1112, 3775), (1208, 3475), (1390, 3020), (1510, 2780)]