195020

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{199}}^1$

素因数の和:222

約数の個数: 36

約数和(自身を含む): 478800

約数和(自身を除く): 283780

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 199, 245, 398, 490, 796, 980, 995, 1393, 1990, 2786, 3980, 5572, 6965, 9751, 13930, 19502, 27860, 39004, 48755, 97510, 195020]

約数ペア:

[(1, 195020), (2, 97510), (4, 48755), (5, 39004), (7, 27860), (10, 19502), (14, 13930), (20, 9751), (28, 6965), (35, 5572), (49, 3980), (70, 2786), (98, 1990), (140, 1393), (196, 995), (199, 980), (245, 796), (398, 490)]