13830500

素因数分解:

$2^2\times 5^3\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:357

約数の個数: 48

約数和(自身を含む): 30576000

約数和(自身を除く): 16745500

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 139, 199, 250, 278, 398, 500, 556, 695, 796, 995, 1390, 1990, 2780, 3475, 3980, 4975, 6950, 9950, 13900, 17375, 19900, 24875, 27661, 34750, 49750, 55322, 69500, 99500, 110644, 138305, 276610, 553220, 691525, 1383050, 2766100, 3457625, 6915250, 13830500]

約数ペア:

[(1, 13830500), (2, 6915250), (4, 3457625), (5, 2766100), (10, 1383050), (20, 691525), (25, 553220), (50, 276610), (100, 138305), (125, 110644), (139, 99500), (199, 69500), (250, 55322), (278, 49750), (398, 34750), (500, 27661), (556, 24875), (695, 19900), (796, 17375), (995, 13900), (1390, 9950), (1990, 6950), (2780, 4975), (3475, 3980)]