660897790

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{22111}}^1$

素因数の和:22193

約数の個数: 48

約数和(自身を含む): 1406588544

約数和(自身を除く): 745690754

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 61, 70, 98, 122, 245, 305, 427, 490, 610, 854, 2135, 2989, 4270, 5978, 14945, 22111, 29890, 44222, 110555, 154777, 221110, 309554, 773885, 1083439, 1348771, 1547770, 2166878, 2697542, 5417195, 6743855, 9441397, 10834390, 13487710, 18882794, 47206985, 66089779, 94413970, 132179558, 330448895, 660897790]

約数ペア:

[(1, 660897790), (2, 330448895), (5, 132179558), (7, 94413970), (10, 66089779), (14, 47206985), (35, 18882794), (49, 13487710), (61, 10834390), (70, 9441397), (98, 6743855), (122, 5417195), (245, 2697542), (305, 2166878), (427, 1547770), (490, 1348771), (610, 1083439), (854, 773885), (2135, 309554), (2989, 221110), (4270, 154777), (5978, 110555), (14945, 44222), (22111, 29890)]