198742180

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109199}}^1$

素因数の和:109228

約数の個数: 48

約数和(自身を含む): 513676800

約数和(自身を除く): 314934620

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 109199, 218398, 436796, 545995, 764393, 1091990, 1419587, 1528786, 2183980, 2839174, 3057572, 3821965, 5678348, 7097935, 7643930, 9937109, 14195870, 15287860, 19874218, 28391740, 39748436, 49685545, 99371090, 198742180]

約数ペア:

[(1, 198742180), (2, 99371090), (4, 49685545), (5, 39748436), (7, 28391740), (10, 19874218), (13, 15287860), (14, 14195870), (20, 9937109), (26, 7643930), (28, 7097935), (35, 5678348), (52, 3821965), (65, 3057572), (70, 2839174), (91, 2183980), (130, 1528786), (140, 1419587), (182, 1091990), (260, 764393), (364, 545995), (455, 436796), (910, 218398), (1820, 109199)]