551449730

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{223259}}^1$

素因数の和:223298

約数の個数: 32

約数和(自身を含む): 1125230400

約数和(自身を除く): 573780670

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 1235, 2470, 223259, 446518, 1116295, 2232590, 2902367, 4241921, 5804734, 8483842, 14511835, 21209605, 29023670, 42419210, 55144973, 110289946, 275724865, 551449730]

約数ペア:

[(1, 551449730), (2, 275724865), (5, 110289946), (10, 55144973), (13, 42419210), (19, 29023670), (26, 21209605), (38, 14511835), (65, 8483842), (95, 5804734), (130, 4241921), (190, 2902367), (247, 2232590), (494, 1116295), (1235, 446518), (2470, 223259)]