250145980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{255251}}^1$

素因数の和:255274

約数の個数: 36

約数和(自身を含む): 611073288

約数和(自身を除く): 360927308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 255251, 510502, 1021004, 1276255, 1786757, 2552510, 3573514, 5105020, 7147028, 8933785, 12507299, 17867570, 25014598, 35735140, 50029196, 62536495, 125072990, 250145980]

約数ペア:

[(1, 250145980), (2, 125072990), (4, 62536495), (5, 50029196), (7, 35735140), (10, 25014598), (14, 17867570), (20, 12507299), (28, 8933785), (35, 7147028), (49, 5105020), (70, 3573514), (98, 2552510), (140, 1786757), (196, 1276255), (245, 1021004), (490, 510502), (980, 255251)]