664549130

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{499661}}^1$

素因数の和:499694

約数の個数: 32

約数和(自身を含む): 1439026560

約数和(自身を除く): 774477430

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 499661, 999322, 2498305, 3497627, 4996610, 6995254, 9493559, 17488135, 18987118, 34976270, 47467795, 66454913, 94935590, 132909826, 332274565, 664549130]

約数ペア:

[(1, 664549130), (2, 332274565), (5, 132909826), (7, 94935590), (10, 66454913), (14, 47467795), (19, 34976270), (35, 18987118), (38, 17488135), (70, 9493559), (95, 6995254), (133, 4996610), (190, 3497627), (266, 2498305), (665, 999322), (1330, 499661)]