219880075

素因数分解:

$5^2\times {\mathrm{193}}^1\times {\mathrm{199}}^1\times {\mathrm{229}}^1$

素因数の和:631

約数の個数: 24

約数和(自身を含む): 276644000

約数和(自身を除く): 56763925

約数列:

[1, 5, 25, 193, 199, 229, 965, 995, 1145, 4825, 4975, 5725, 38407, 44197, 45571, 192035, 220985, 227855, 960175, 1104925, 1139275, 8795203, 43976015, 219880075]

約数ペア:

[(1, 219880075), (5, 43976015), (25, 8795203), (193, 1139275), (199, 1104925), (229, 960175), (965, 227855), (995, 220985), (1145, 192035), (4825, 45571), (4975, 44197), (5725, 38407)]