199942860

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{256337}}^1$

素因数の和:256362

約数の個数: 48

約数和(自身を含む): 602906976

約数和(自身を除く): 402964116

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 256337, 512674, 769011, 1025348, 1281685, 1538022, 2563370, 3076044, 3332381, 3845055, 5126740, 6664762, 7690110, 9997143, 13329524, 15380220, 16661905, 19994286, 33323810, 39988572, 49985715, 66647620, 99971430, 199942860]

約数ペア:

[(1, 199942860), (2, 99971430), (3, 66647620), (4, 49985715), (5, 39988572), (6, 33323810), (10, 19994286), (12, 16661905), (13, 15380220), (15, 13329524), (20, 9997143), (26, 7690110), (30, 6664762), (39, 5126740), (52, 3845055), (60, 3332381), (65, 3076044), (78, 2563370), (130, 1538022), (156, 1281685), (195, 1025348), (260, 769011), (390, 512674), (780, 256337)]