2912906860

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1\times {\mathrm{10891}}^1$

素因数の和:11254

約数の個数: 48

約数和(自身を含む): 6280065792

約数和(自身を除く): 3367158932

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 311, 430, 622, 860, 1244, 1555, 3110, 6220, 10891, 13373, 21782, 26746, 43564, 53492, 54455, 66865, 108910, 133730, 217820, 267460, 468313, 936626, 1873252, 2341565, 3387101, 4683130, 6774202, 9366260, 13548404, 16935505, 33871010, 67742020, 145645343, 291290686, 582581372, 728226715, 1456453430, 2912906860]

約数ペア:

[(1, 2912906860), (2, 1456453430), (4, 728226715), (5, 582581372), (10, 291290686), (20, 145645343), (43, 67742020), (86, 33871010), (172, 16935505), (215, 13548404), (311, 9366260), (430, 6774202), (622, 4683130), (860, 3387101), (1244, 2341565), (1555, 1873252), (3110, 936626), (6220, 468313), (10891, 267460), (13373, 217820), (21782, 133730), (26746, 108910), (43564, 66865), (53492, 54455)]