51503480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{439}}^1$

素因数の和:876

約数の個数: 64

約数和(自身を含む): 133056000

約数和(自身を除く): 81552520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 419, 439, 838, 878, 1676, 1756, 2095, 2195, 2933, 3073, 3352, 3512, 4190, 4390, 5866, 6146, 8380, 8780, 11732, 12292, 14665, 15365, 16760, 17560, 23464, 24584, 29330, 30730, 58660, 61460, 117320, 122920, 183941, 367882, 735764, 919705, 1287587, 1471528, 1839410, 2575174, 3678820, 5150348, 6437935, 7357640, 10300696, 12875870, 25751740, 51503480]

約数ペア:

[(1, 51503480), (2, 25751740), (4, 12875870), (5, 10300696), (7, 7357640), (8, 6437935), (10, 5150348), (14, 3678820), (20, 2575174), (28, 1839410), (35, 1471528), (40, 1287587), (56, 919705), (70, 735764), (140, 367882), (280, 183941), (419, 122920), (439, 117320), (838, 61460), (878, 58660), (1676, 30730), (1756, 29330), (2095, 24584), (2195, 23464), (2933, 17560), (3073, 16760), (3352, 15365), (3512, 14665), (4190, 12292), (4390, 11732), (5866, 8780), (6146, 8380)]