2098900

素因数分解:

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

素因数の和:304

約数の個数: 36

約数和(自身を含む): 4617760

約数和(自身を除く): 2518860

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 139, 151, 278, 302, 556, 604, 695, 755, 1390, 1510, 2780, 3020, 3475, 3775, 6950, 7550, 13900, 15100, 20989, 41978, 83956, 104945, 209890, 419780, 524725, 1049450, 2098900]

約数ペア:

[(1, 2098900), (2, 1049450), (4, 524725), (5, 419780), (10, 209890), (20, 104945), (25, 83956), (50, 41978), (100, 20989), (139, 15100), (151, 13900), (278, 7550), (302, 6950), (556, 3775), (604, 3475), (695, 3020), (755, 2780), (1390, 1510)]