9555980

素因数分解:

$2^2\times 5^1\times 7^4\times {\mathrm{199}}^1$

素因数の和:236

約数の個数: 60

約数和(自身を含む): 23528400

約数和(自身を除く): 13972420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 199, 245, 343, 398, 490, 686, 796, 980, 995, 1372, 1393, 1715, 1990, 2401, 2786, 3430, 3980, 4802, 5572, 6860, 6965, 9604, 9751, 12005, 13930, 19502, 24010, 27860, 39004, 48020, 48755, 68257, 97510, 136514, 195020, 273028, 341285, 477799, 682570, 955598, 1365140, 1911196, 2388995, 4777990, 9555980]

約数ペア:

[(1, 9555980), (2, 4777990), (4, 2388995), (5, 1911196), (7, 1365140), (10, 955598), (14, 682570), (20, 477799), (28, 341285), (35, 273028), (49, 195020), (70, 136514), (98, 97510), (140, 68257), (196, 48755), (199, 48020), (245, 39004), (343, 27860), (398, 24010), (490, 19502), (686, 13930), (796, 12005), (980, 9751), (995, 9604), (1372, 6965), (1393, 6860), (1715, 5572), (1990, 4802), (2401, 3980), (2786, 3430)]